Commit | Line | Data |
---|---|---|
973c2be1 | 1 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
b311480e | 2 | // |
973c2be1 | 3 | // This file is part of Open CASCADE Technology software library. |
b311480e | 4 | // |
d5f74e42 | 5 | // This library is free software; you can redistribute it and/or modify it under |
6 | // the terms of the GNU Lesser General Public License version 2.1 as published | |
973c2be1 | 7 | // by the Free Software Foundation, with special exception defined in the file |
8 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT | |
9 | // distribution for complete text of the license and disclaimer of any warranty. | |
b311480e | 10 | // |
973c2be1 | 11 | // Alternatively, this file may be used under the terms of Open CASCADE |
12 | // commercial license or contractual agreement. | |
b311480e | 13 | |
3bffef55 | 14 | #include <V3d_View.hxx> |
7fd59977 | 15 | |
42cf5bc1 | 16 | #include <Aspect_GradientBackground.hxx> |
17 | #include <Aspect_Grid.hxx> | |
18 | #include <Aspect_Window.hxx> | |
19 | #include <Bnd_Box.hxx> | |
20 | #include <gp_Ax3.hxx> | |
7fd59977 | 21 | #include <gp_Dir.hxx> |
b5ac8292 | 22 | #include <gp_Pln.hxx> |
42cf5bc1 | 23 | #include <Graphic3d_AspectMarker3d.hxx> |
24 | #include <Graphic3d_GraphicDriver.hxx> | |
25 | #include <Graphic3d_Group.hxx> | |
b5ac8292 | 26 | #include <Graphic3d_MapIteratorOfMapOfStructure.hxx> |
27 | #include <Graphic3d_MapOfStructure.hxx> | |
42cf5bc1 | 28 | #include <Graphic3d_Structure.hxx> |
b5ac8292 | 29 | #include <Graphic3d_TextureEnv.hxx> |
42cf5bc1 | 30 | #include <Graphic3d_Vector.hxx> |
31 | #include <Image_AlienPixMap.hxx> | |
3bffef55 | 32 | #include <Message.hxx> |
33 | #include <Message_Messenger.hxx> | |
42cf5bc1 | 34 | #include <NCollection_Array1.hxx> |
35 | #include <Precision.hxx> | |
36 | #include <Quantity_Color.hxx> | |
37 | #include <Standard_Assert.hxx> | |
38 | #include <Standard_DivideByZero.hxx> | |
39 | #include <Standard_ErrorHandler.hxx> | |
40 | #include <Standard_MultiplyDefined.hxx> | |
41 | #include <Standard_ShortReal.hxx> | |
42 | #include <Standard_Type.hxx> | |
43 | #include <Standard_TypeMismatch.hxx> | |
c357e426 | 44 | #include <TColgp_Array1OfPnt.hxx> |
42cf5bc1 | 45 | #include <TColStd_Array2OfReal.hxx> |
46 | #include <TColStd_HSequenceOfInteger.hxx> | |
47 | #include <V3d.hxx> | |
48 | #include <V3d_BadValue.hxx> | |
42cf5bc1 | 49 | #include <V3d_Light.hxx> |
50 | #include <V3d_StereoDumpOptions.hxx> | |
51 | #include <V3d_UnMapped.hxx> | |
42cf5bc1 | 52 | #include <V3d_Viewer.hxx> |
7fd59977 | 53 | |
92efcf78 | 54 | IMPLEMENT_STANDARD_RTTIEXT(V3d_View,MMgt_TShared) |
55 | ||
c6541a0c | 56 | #define DEUXPI (2. * M_PI) |
7fd59977 | 57 | |
4af098ba | 58 | namespace |
59 | { | |
60 | static const Standard_Integer THE_NB_BOUND_POINTS = 8; | |
61 | } | |
62 | ||
197ac94e | 63 | //============================================================================= |
64 | //function : Constructor | |
65 | //purpose : | |
66 | //============================================================================= | |
c357e426 | 67 | V3d_View::V3d_View (const Handle(V3d_Viewer)& theViewer, const V3d_TypeOfView theType) |
68 | : MyViewer (theViewer.operator->()), | |
c357e426 | 69 | SwitchSetFront (Standard_False), |
016e5959 | 70 | myZRotation (Standard_False), |
caf231b0 | 71 | myTrihedron (new V3d_Trihedron()), |
6bc6a6fc | 72 | MyTrsf (1, 4, 1, 4) |
7fd59977 | 73 | { |
c357e426 | 74 | myView = theViewer->Driver()->CreateView (theViewer->StructureManager()); |
7fd59977 | 75 | |
c357e426 | 76 | myView->SetBackground (theViewer->GetBackgroundColor()); |
77 | myView->SetGradientBackground (theViewer->GetGradientBackground()); | |
7fd59977 | 78 | |
832ae82d | 79 | ChangeRenderingParams() = theViewer->DefaultRenderingParams(); |
80 | ||
b5ac8292 | 81 | // camera init |
82 | Handle(Graphic3d_Camera) aCamera = new Graphic3d_Camera(); | |
83 | aCamera->SetFOVy (45.0); | |
84 | aCamera->SetIOD (Graphic3d_Camera::IODType_Relative, 0.05); | |
85 | aCamera->SetZFocus (Graphic3d_Camera::FocusType_Relative, 1.0); | |
c357e426 | 86 | aCamera->SetProjectionType ((theType == V3d_ORTHOGRAPHIC) |
87 | ? Graphic3d_Camera::Projection_Orthographic | |
88 | : Graphic3d_Camera::Projection_Perspective); | |
b5ac8292 | 89 | |
c357e426 | 90 | myDefaultCamera = new Graphic3d_Camera(); |
91 | ||
92 | myImmediateUpdate = Standard_False; | |
c357e426 | 93 | SetAutoZFitMode (Standard_True, 1.0); |
94 | SetBackFacingModel (V3d_TOBM_AUTOMATIC); | |
95 | SetCamera (aCamera); | |
b5ac8292 | 96 | SetAxis (0.,0.,0.,1.,1.,1.); |
c357e426 | 97 | SetVisualization (theViewer->DefaultVisualization()); |
98 | SetShadingModel (theViewer->DefaultShadingModel()); | |
b5ac8292 | 99 | SetTwist (0.); |
100 | SetAt (0.,0.,0.); | |
c357e426 | 101 | SetProj (theViewer->DefaultViewProj()); |
102 | SetSize (theViewer->DefaultViewSize()); | |
103 | Standard_Real zsize = theViewer->DefaultViewSize(); | |
b5ac8292 | 104 | SetZSize (2.*zsize); |
c357e426 | 105 | SetDepth (theViewer->DefaultViewSize() / 2.0); |
7fd59977 | 106 | SetViewMappingDefault(); |
fc8eab5e | 107 | SetViewOrientationDefault(); |
c357e426 | 108 | theViewer->AddView (this); |
7fd59977 | 109 | Init(); |
110 | myImmediateUpdate = Standard_True; | |
7fd59977 | 111 | } |
112 | ||
197ac94e | 113 | //============================================================================= |
114 | //function : Constructor | |
115 | //purpose : | |
116 | //============================================================================= | |
c357e426 | 117 | V3d_View::V3d_View (const Handle(V3d_Viewer)& theViewer, const Handle(V3d_View)& theView) |
118 | : MyViewer (theViewer.operator->()), | |
197ac94e | 119 | SwitchSetFront(Standard_False), |
016e5959 | 120 | myZRotation (Standard_False), |
197ac94e | 121 | MyTrsf (1, 4, 1, 4) |
7fd59977 | 122 | { |
c357e426 | 123 | myView = theViewer->Driver()->CreateView (theViewer->StructureManager()); |
7fd59977 | 124 | |
c357e426 | 125 | myView->CopySettings (theView->View()); |
7fd59977 | 126 | |
c357e426 | 127 | myDefaultCamera = new Graphic3d_Camera(); |
b5ac8292 | 128 | |
c357e426 | 129 | myImmediateUpdate = Standard_False; |
130 | SetAutoZFitMode (theView->AutoZFitMode(), theView->AutoZFitScaleFactor()); | |
b5ac8292 | 131 | SetAxis (0.0, 0.0, 0.0, 1.0, 1.0, 1.0); |
fc8eab5e | 132 | SetViewMappingDefault(); |
133 | SetViewOrientationDefault(); | |
c357e426 | 134 | theViewer->AddView (this); |
7fd59977 | 135 | Init(); |
136 | myImmediateUpdate = Standard_True; | |
7fd59977 | 137 | } |
138 | ||
197ac94e | 139 | //============================================================================= |
c357e426 | 140 | //function : Destructor |
197ac94e | 141 | //purpose : |
142 | //============================================================================= | |
c357e426 | 143 | V3d_View::~V3d_View() |
144 | { | |
145 | if (!myView->IsRemoved()) | |
146 | { | |
147 | myView->Remove(); | |
7fd59977 | 148 | } |
7fd59977 | 149 | } |
150 | ||
197ac94e | 151 | //============================================================================= |
c357e426 | 152 | //function : SetMagnify |
197ac94e | 153 | //purpose : |
154 | //============================================================================= | |
c357e426 | 155 | void V3d_View::SetMagnify (const Handle(Aspect_Window)& theWindow, |
156 | const Handle(V3d_View)& thePreviousView, | |
157 | const Standard_Integer theX1, | |
158 | const Standard_Integer theY1, | |
159 | const Standard_Integer theX2, | |
160 | const Standard_Integer theY2) | |
7fd59977 | 161 | { |
c357e426 | 162 | if (!myView->IsRemoved() && !myView->IsDefined()) |
163 | { | |
164 | Standard_Real aU1, aV1, aU2, aV2; | |
165 | thePreviousView->Convert (theX1, theY1, aU1, aV1); | |
166 | thePreviousView->Convert (theX2, theY2, aU2, aV2); | |
167 | myView->SetWindow (theWindow); | |
434ffc09 | 168 | FitAll (aU1, aV1, aU2, aV2); |
c357e426 | 169 | MyViewer->SetViewOn (this); |
170 | MyWindow = theWindow; | |
171 | SetRatio(); | |
172 | Redraw(); | |
173 | SetViewMappingDefault(); | |
174 | } | |
7fd59977 | 175 | } |
176 | ||
197ac94e | 177 | //============================================================================= |
178 | //function : SetWindow | |
179 | //purpose : | |
180 | //============================================================================= | |
a521d90d | 181 | void V3d_View::SetWindow (const Handle(Aspect_Window)& theWindow, |
182 | const Aspect_RenderingContext theContext) | |
7fd59977 | 183 | { |
c357e426 | 184 | if (myView->IsRemoved()) |
185 | { | |
186 | return; | |
187 | } | |
188 | ||
05e2200b | 189 | // method V3d_View::SetWindow() should assign the field MyWindow before calling Redraw() |
c357e426 | 190 | MyWindow = theWindow; |
a521d90d | 191 | myView->SetWindow (theWindow, theContext); |
c357e426 | 192 | MyViewer->SetViewOn (this); |
193 | SetRatio(); | |
194 | Redraw(); | |
7fd59977 | 195 | } |
7fd59977 | 196 | |
197ac94e | 197 | //============================================================================= |
198 | //function : Remove | |
199 | //purpose : | |
200 | //============================================================================= | |
5e27df78 | 201 | void V3d_View::Remove() const |
202 | { | |
203 | MyViewer->DelView (this); | |
c357e426 | 204 | myView->Remove(); |
5e27df78 | 205 | Handle(Aspect_Window)& aWin = const_cast<Handle(Aspect_Window)&> (MyWindow); |
206 | aWin.Nullify(); | |
7fd59977 | 207 | } |
208 | ||
197ac94e | 209 | //============================================================================= |
210 | //function : Update | |
211 | //purpose : | |
212 | //============================================================================= | |
b8ddfc2f | 213 | void V3d_View::Update() const |
214 | { | |
c357e426 | 215 | if (!myView->IsDefined() |
216 | || !myView->IsActive()) | |
217 | { | |
218 | return; | |
219 | } | |
220 | ||
cfece3ef | 221 | myView->Update(); |
222 | myView->Compute(); | |
223 | myView->Redraw(); | |
7fd59977 | 224 | } |
225 | ||
197ac94e | 226 | //============================================================================= |
227 | //function : Redraw | |
228 | //purpose : | |
229 | //============================================================================= | |
b8ddfc2f | 230 | void V3d_View::Redraw() const |
231 | { | |
c357e426 | 232 | if (!myView->IsDefined() |
233 | || !myView->IsActive()) | |
234 | { | |
235 | return; | |
236 | } | |
237 | ||
238 | Handle(Graphic3d_GraphicDriver) aGraphicDriver = MyViewer->Driver(); | |
239 | Handle(Graphic3d_StructureManager) aStructureMgr = MyViewer->StructureManager(); | |
240 | for (Standard_Integer aRetryIter = 0; aRetryIter < 2; ++aRetryIter) | |
241 | { | |
242 | if (aGraphicDriver->IsDeviceLost()) | |
243 | { | |
244 | aStructureMgr->RecomputeStructures(); | |
245 | aGraphicDriver->ResetDeviceLostFlag(); | |
246 | } | |
247 | ||
248 | AutoZFit(); | |
249 | ||
250 | myView->Redraw(); | |
251 | ||
252 | if (!aGraphicDriver->IsDeviceLost()) | |
253 | { | |
254 | return; | |
255 | } | |
256 | } | |
7fd59977 | 257 | } |
b8ddfc2f | 258 | |
679ecdee | 259 | //============================================================================= |
260 | //function : RedrawImmediate | |
261 | //purpose : | |
262 | //============================================================================= | |
263 | void V3d_View::RedrawImmediate() const | |
264 | { | |
c357e426 | 265 | if (!myView->IsDefined() |
266 | || !myView->IsActive()) | |
679ecdee | 267 | { |
c357e426 | 268 | return; |
679ecdee | 269 | } |
c357e426 | 270 | |
271 | myView->RedrawImmediate(); | |
679ecdee | 272 | } |
273 | ||
274 | //============================================================================= | |
275 | //function : Invalidate | |
276 | //purpose : | |
277 | //============================================================================= | |
278 | void V3d_View::Invalidate() const | |
279 | { | |
c357e426 | 280 | if (!myView->IsDefined()) |
679ecdee | 281 | { |
c357e426 | 282 | return; |
679ecdee | 283 | } |
c357e426 | 284 | |
285 | myView->Invalidate(); | |
679ecdee | 286 | } |
287 | ||
6bc6a6fc | 288 | //============================================================================= |
62e1beed | 289 | //function : IsInvalidated |
290 | //purpose : | |
291 | //============================================================================= | |
292 | Standard_Boolean V3d_View::IsInvalidated() const | |
293 | { | |
c357e426 | 294 | return !myView->IsDefined() |
295 | || myView->IsInvalidated(); | |
62e1beed | 296 | } |
297 | ||
c357e426 | 298 | // ======================================================================== |
299 | // function : SetAutoZFitMode | |
300 | // purpose : | |
301 | // ======================================================================== | |
302 | void V3d_View::SetAutoZFitMode (const Standard_Boolean theIsOn, | |
303 | const Standard_Real theScaleFactor) | |
304 | { | |
305 | Standard_ASSERT_RAISE (theScaleFactor > 0.0, "Zero or negative scale factor is not allowed."); | |
306 | myAutoZFitScaleFactor = theScaleFactor; | |
307 | myAutoZFitIsOn = theIsOn; | |
308 | } | |
309 | ||
310 | // ======================================================================== | |
311 | // function : AutoZFitMode | |
312 | // purpose : | |
313 | // ======================================================================== | |
314 | Standard_Boolean V3d_View::AutoZFitMode() const | |
315 | { | |
316 | return myAutoZFitIsOn; | |
317 | } | |
318 | ||
319 | // ======================================================================== | |
320 | // function : AutoZFitScaleFactor | |
321 | // purpose : | |
322 | // ======================================================================== | |
323 | Standard_Real V3d_View::AutoZFitScaleFactor() const | |
6bc6a6fc | 324 | { |
c357e426 | 325 | return myAutoZFitScaleFactor; |
6bc6a6fc | 326 | } |
327 | ||
328 | //============================================================================= | |
c357e426 | 329 | //function : AutoZFit |
6bc6a6fc | 330 | //purpose : |
331 | //============================================================================= | |
c357e426 | 332 | void V3d_View::AutoZFit() const |
6bc6a6fc | 333 | { |
c357e426 | 334 | if (!AutoZFitMode()) |
335 | { | |
336 | return; | |
337 | } | |
338 | ||
339 | ZFitAll (myAutoZFitScaleFactor); | |
6bc6a6fc | 340 | } |
341 | ||
197ac94e | 342 | //============================================================================= |
c357e426 | 343 | //function : ZFitAll |
197ac94e | 344 | //purpose : |
345 | //============================================================================= | |
c357e426 | 346 | void V3d_View::ZFitAll (const Standard_Real theScaleFactor) const |
7fd59977 | 347 | { |
c357e426 | 348 | Bnd_Box aMinMaxBox = myView->MinMaxValues (Standard_False); // applicative min max boundaries |
349 | Bnd_Box aGraphicBox = myView->MinMaxValues (Standard_True); // real graphical boundaries (not accounting infinite flag). | |
350 | ||
351 | myView->Camera()->ZFitAll (theScaleFactor, aMinMaxBox, aGraphicBox); | |
7fd59977 | 352 | } |
353 | ||
197ac94e | 354 | //============================================================================= |
355 | //function : IsEmpty | |
356 | //purpose : | |
357 | //============================================================================= | |
b8ddfc2f | 358 | Standard_Boolean V3d_View::IsEmpty() const |
359 | { | |
7fd59977 | 360 | Standard_Boolean TheStatus = Standard_True ; |
c357e426 | 361 | if( myView->IsDefined() ) { |
362 | Standard_Integer Nstruct = myView->NumberOfDisplayedStructures() ; | |
7fd59977 | 363 | if( Nstruct > 0 ) TheStatus = Standard_False ; |
364 | } | |
365 | return (TheStatus) ; | |
7fd59977 | 366 | } |
367 | ||
197ac94e | 368 | //============================================================================= |
369 | //function : UpdateLights | |
370 | //purpose : | |
371 | //============================================================================= | |
b8ddfc2f | 372 | void V3d_View::UpdateLights() const |
373 | { | |
c357e426 | 374 | Graphic3d_ListOfCLight aLights; |
6a24c6de | 375 | for (V3d_ListOfLight::Iterator anActiveLightIter (myActiveLights); anActiveLightIter.More(); anActiveLightIter.Next()) |
c357e426 | 376 | { |
6a24c6de | 377 | aLights.Append (anActiveLightIter.Value()->Light()); |
c357e426 | 378 | } |
c357e426 | 379 | myView->SetLights (aLights); |
7fd59977 | 380 | Update(); |
381 | } | |
382 | ||
197ac94e | 383 | //============================================================================= |
384 | //function : DoMapping | |
385 | //purpose : | |
386 | //============================================================================= | |
b8ddfc2f | 387 | void V3d_View::DoMapping() |
388 | { | |
c357e426 | 389 | if (!myView->IsDefined()) |
390 | { | |
391 | return; | |
7fd59977 | 392 | } |
c357e426 | 393 | |
394 | myView->Window()->DoMapping(); | |
7fd59977 | 395 | } |
396 | ||
197ac94e | 397 | //============================================================================= |
398 | //function : MustBeResized | |
399 | //purpose : | |
400 | //============================================================================= | |
b8ddfc2f | 401 | void V3d_View::MustBeResized() |
402 | { | |
c357e426 | 403 | if (!myView->IsDefined()) |
404 | { | |
405 | return; | |
7fd59977 | 406 | } |
c357e426 | 407 | |
408 | myView->Resized(); | |
409 | ||
410 | SetRatio(); | |
411 | ||
412 | Redraw(); | |
7fd59977 | 413 | } |
414 | ||
197ac94e | 415 | //============================================================================= |
416 | //function : SetBackgroundColor | |
417 | //purpose : | |
418 | //============================================================================= | |
c357e426 | 419 | void V3d_View::SetBackgroundColor (const Quantity_TypeOfColor theType, |
420 | const Standard_Real theV1, | |
421 | const Standard_Real theV2, | |
422 | const Standard_Real theV3) | |
7fd59977 | 423 | { |
c357e426 | 424 | Standard_Real aV1 = Max (Min (theV1, 1.0), 0.0); |
425 | Standard_Real aV2 = Max (Min (theV2, 1.0), 0.0); | |
426 | Standard_Real aV3 = Max (Min (theV3, 1.0), 0.0); | |
7fd59977 | 427 | |
c357e426 | 428 | SetBackgroundColor (Quantity_Color (aV1, aV2, aV3, theType)); |
7fd59977 | 429 | } |
430 | ||
197ac94e | 431 | //============================================================================= |
432 | //function : SetBackgroundColor | |
433 | //purpose : | |
434 | //============================================================================= | |
c357e426 | 435 | void V3d_View::SetBackgroundColor (const Quantity_Color& theColor) |
7fd59977 | 436 | { |
c357e426 | 437 | myView->SetBackground (Aspect_Background (theColor)); |
438 | ||
439 | if (myImmediateUpdate) | |
440 | { | |
441 | Redraw(); | |
442 | } | |
7fd59977 | 443 | } |
7fd59977 | 444 | |
197ac94e | 445 | //============================================================================= |
446 | //function : SetBackgroundColor | |
447 | //purpose : | |
448 | //============================================================================= | |
c357e426 | 449 | void V3d_View::SetBackgroundColor (const Quantity_NameOfColor theName) |
7fd59977 | 450 | { |
c357e426 | 451 | SetBackgroundColor (Quantity_Color (theName)); |
7fd59977 | 452 | } |
453 | ||
197ac94e | 454 | //============================================================================= |
455 | //function : SetBgGradientColors | |
456 | //purpose : | |
457 | //============================================================================= | |
c357e426 | 458 | void V3d_View::SetBgGradientColors (const Quantity_Color& theColor1, |
459 | const Quantity_Color& theColor2, | |
460 | const Aspect_GradientFillMethod theFillStyle, | |
461 | const Standard_Boolean theToUpdate) | |
7fd59977 | 462 | { |
c357e426 | 463 | Aspect_GradientBackground aGradientBg (theColor1, theColor2, theFillStyle); |
464 | ||
465 | myView->SetGradientBackground (aGradientBg); | |
466 | ||
467 | if (myImmediateUpdate || theToUpdate) | |
468 | { | |
469 | Redraw(); | |
470 | } | |
7fd59977 | 471 | } |
472 | ||
197ac94e | 473 | //============================================================================= |
474 | //function : SetBgGradientColors | |
475 | //purpose : | |
476 | //============================================================================= | |
c357e426 | 477 | void V3d_View::SetBgGradientColors (const Quantity_NameOfColor theColor1, |
478 | const Quantity_NameOfColor theColor2, | |
479 | const Aspect_GradientFillMethod theFillStyle, | |
480 | const Standard_Boolean theToUpdate) | |
7fd59977 | 481 | { |
c357e426 | 482 | Quantity_Color aColor1 (theColor1); |
483 | Quantity_Color aColor2 (theColor2); | |
484 | ||
485 | SetBgGradientColors (aColor1, aColor2, theFillStyle, theToUpdate); | |
7fd59977 | 486 | } |
487 | ||
197ac94e | 488 | //============================================================================= |
489 | //function : SetBgGradientStyle | |
490 | //purpose : | |
491 | //============================================================================= | |
c357e426 | 492 | void V3d_View::SetBgGradientStyle (const Aspect_GradientFillMethod theFillStyle, const Standard_Boolean theToUpdate) |
7fd59977 | 493 | { |
c357e426 | 494 | Quantity_Color aColor1; |
495 | Quantity_Color aColor2; | |
496 | GradientBackground().Colors (aColor1, aColor2); | |
497 | ||
498 | SetBgGradientColors (aColor1, aColor2, theFillStyle, theToUpdate); | |
7fd59977 | 499 | } |
500 | ||
197ac94e | 501 | //============================================================================= |
502 | //function : SetBackgroundImage | |
503 | //purpose : | |
504 | //============================================================================= | |
c357e426 | 505 | void V3d_View::SetBackgroundImage (const Standard_CString theFileName, |
506 | const Aspect_FillMethod theFillStyle, | |
507 | const Standard_Boolean theToUpdate) | |
7fd59977 | 508 | { |
c357e426 | 509 | myView->SetBackgroundImage (theFileName); |
510 | myView->SetBackgroundImageStyle (theFillStyle); | |
511 | ||
512 | if (myImmediateUpdate || theToUpdate) | |
513 | { | |
514 | Redraw(); | |
515 | } | |
7fd59977 | 516 | } |
517 | ||
197ac94e | 518 | //============================================================================= |
519 | //function : SetBgImageStyle | |
520 | //purpose : | |
521 | //============================================================================= | |
c357e426 | 522 | void V3d_View::SetBgImageStyle (const Aspect_FillMethod theFillStyle, const Standard_Boolean theToUpdate) |
7fd59977 | 523 | { |
c357e426 | 524 | myView->SetBackgroundImageStyle (theFillStyle); |
525 | ||
526 | if (myImmediateUpdate || theToUpdate) | |
527 | { | |
528 | Redraw(); | |
529 | } | |
7fd59977 | 530 | } |
531 | ||
197ac94e | 532 | //============================================================================= |
533 | //function : SetAxis | |
534 | //purpose : | |
535 | //============================================================================= | |
b8ddfc2f | 536 | void V3d_View::SetAxis(const Standard_Real X, const Standard_Real Y, const Standard_Real Z, const Standard_Real Vx, const Standard_Real Vy, const Standard_Real Vz) |
537 | { | |
7fd59977 | 538 | Standard_Real D,Nx = Vx,Ny = Vy,Nz = Vz ; |
539 | ||
540 | D = Sqrt( Vx*Vx + Vy*Vy + Vz*Vz ) ; | |
6942f04a | 541 | V3d_BadValue_Raise_if ( D <= 0. , "V3d_View::SetAxis, bad axis"); |
7fd59977 | 542 | Nx /= D ; Ny /= D ; Nz /= D ; |
543 | MyDefaultViewPoint.SetCoord(X,Y,Z) ; | |
544 | MyDefaultViewAxis.SetCoord(Nx,Ny,Nz) ; | |
7fd59977 | 545 | } |
546 | ||
197ac94e | 547 | //============================================================================= |
548 | //function : SetShadingModel | |
549 | //purpose : | |
550 | //============================================================================= | |
c357e426 | 551 | void V3d_View::SetShadingModel (const V3d_TypeOfShadingModel theShadingModel) |
b8ddfc2f | 552 | { |
c357e426 | 553 | myView->SetShadingModel (static_cast<Graphic3d_TypeOfShadingModel> (theShadingModel)); |
7fd59977 | 554 | } |
555 | ||
197ac94e | 556 | //============================================================================= |
557 | //function : SetTextureEnv | |
558 | //purpose : | |
559 | //============================================================================= | |
c357e426 | 560 | void V3d_View::SetTextureEnv (const Handle(Graphic3d_TextureEnv)& theTexture) |
b8ddfc2f | 561 | { |
c357e426 | 562 | myView->SetTextureEnv (theTexture); |
563 | ||
564 | if (myImmediateUpdate) | |
565 | { | |
566 | Redraw(); | |
567 | } | |
7fd59977 | 568 | } |
569 | ||
197ac94e | 570 | //============================================================================= |
571 | //function : SetVisualization | |
572 | //purpose : | |
573 | //============================================================================= | |
c357e426 | 574 | void V3d_View::SetVisualization (const V3d_TypeOfVisualization theType) |
b8ddfc2f | 575 | { |
c357e426 | 576 | myView->SetVisualizationType (static_cast <Graphic3d_TypeOfVisualization> (theType)); |
577 | ||
578 | if (myImmediateUpdate) | |
579 | { | |
580 | Redraw(); | |
581 | } | |
7fd59977 | 582 | } |
583 | ||
197ac94e | 584 | //============================================================================= |
585 | //function : SetFront | |
586 | //purpose : | |
587 | //============================================================================= | |
b8ddfc2f | 588 | void V3d_View::SetFront() |
589 | { | |
7fd59977 | 590 | gp_Ax3 a = MyViewer->PrivilegedPlane(); |
b5ac8292 | 591 | Standard_Real xo, yo, zo, vx, vy, vz, xu, yu, zu; |
7fd59977 | 592 | |
593 | a.Direction().Coord(vx,vy,vz); | |
594 | a.YDirection().Coord(xu,yu,zu); | |
595 | a.Location().Coord(xo,yo,zo); | |
596 | ||
c357e426 | 597 | Handle(Graphic3d_Camera) aCamera = Camera(); |
598 | ||
599 | aCamera->SetCenter (gp_Pnt (xo, yo, zo)); | |
600 | ||
7fd59977 | 601 | if(SwitchSetFront) |
c357e426 | 602 | { |
603 | aCamera->SetDirection (gp_Dir (vx, vy, vz)); | |
604 | } | |
7fd59977 | 605 | else |
c357e426 | 606 | { |
607 | aCamera->SetDirection (gp_Dir (vx, vy, vz).Reversed()); | |
608 | } | |
609 | ||
610 | aCamera->SetUp (gp_Dir (xu, yu, zu)); | |
7fd59977 | 611 | |
c357e426 | 612 | AutoZFit(); |
7fd59977 | 613 | |
b5ac8292 | 614 | SwitchSetFront = !SwitchSetFront; |
7fd59977 | 615 | |
616 | ImmediateUpdate(); | |
7fd59977 | 617 | } |
618 | ||
197ac94e | 619 | //============================================================================= |
620 | //function : Rotate | |
621 | //purpose : | |
622 | //============================================================================= | |
b5ac8292 | 623 | void V3d_View::Rotate (const Standard_Real ax, |
624 | const Standard_Real ay, | |
625 | const Standard_Real az, | |
626 | const Standard_Boolean Start) | |
b8ddfc2f | 627 | { |
b5ac8292 | 628 | Standard_Real Ax = ax; |
629 | Standard_Real Ay = ay; | |
630 | Standard_Real Az = az; | |
7fd59977 | 631 | |
b5ac8292 | 632 | if( Ax > 0. ) while ( Ax > DEUXPI ) Ax -= DEUXPI; |
633 | else if( Ax < 0. ) while ( Ax < -DEUXPI ) Ax += DEUXPI; | |
634 | if( Ay > 0. ) while ( Ay > DEUXPI ) Ay -= DEUXPI; | |
635 | else if( Ay < 0. ) while ( Ay < -DEUXPI ) Ay += DEUXPI; | |
636 | if( Az > 0. ) while ( Az > DEUXPI ) Az -= DEUXPI; | |
637 | else if( Az < 0. ) while ( Az < -DEUXPI ) Az += DEUXPI; | |
638 | ||
c357e426 | 639 | Handle(Graphic3d_Camera) aCamera = Camera(); |
640 | ||
b5ac8292 | 641 | if (Start) |
642 | { | |
c357e426 | 643 | myCamStartOpUp = aCamera->Up(); |
644 | myCamStartOpEye = aCamera->Eye(); | |
645 | myCamStartOpCenter = aCamera->Center(); | |
b5ac8292 | 646 | } |
647 | ||
c357e426 | 648 | aCamera->SetUp (myCamStartOpUp); |
649 | aCamera->SetEye (myCamStartOpEye); | |
650 | aCamera->SetCenter (myCamStartOpCenter); | |
b5ac8292 | 651 | |
652 | // rotate camera around 3 initial axes | |
653 | gp_Dir aBackDir (gp_Vec (myCamStartOpCenter, myCamStartOpEye)); | |
654 | gp_Dir aXAxis (myCamStartOpUp.Crossed (aBackDir)); | |
655 | gp_Dir aYAxis (aBackDir.Crossed (aXAxis)); | |
656 | gp_Dir aZAxis (aXAxis.Crossed (aYAxis)); | |
657 | ||
658 | gp_Trsf aRot[3], aTrsf; | |
659 | aRot[0].SetRotation (gp_Ax1 (myCamStartOpCenter, aYAxis), -Ax); | |
660 | aRot[1].SetRotation (gp_Ax1 (myCamStartOpCenter, aXAxis), Ay); | |
661 | aRot[2].SetRotation (gp_Ax1 (myCamStartOpCenter, aZAxis), Az); | |
662 | aTrsf.Multiply (aRot[0]); | |
663 | aTrsf.Multiply (aRot[1]); | |
664 | aTrsf.Multiply (aRot[2]); | |
665 | ||
c357e426 | 666 | aCamera->Transform (aTrsf); |
b5ac8292 | 667 | |
c357e426 | 668 | AutoZFit(); |
7fd59977 | 669 | |
7fd59977 | 670 | ImmediateUpdate(); |
7fd59977 | 671 | } |
672 | ||
197ac94e | 673 | //============================================================================= |
674 | //function : Rotate | |
675 | //purpose : | |
676 | //============================================================================= | |
7fd59977 | 677 | void V3d_View::Rotate(const Standard_Real ax, const Standard_Real ay, const Standard_Real az, |
678 | const Standard_Real X, const Standard_Real Y, const Standard_Real Z, const Standard_Boolean Start) | |
679 | { | |
b5ac8292 | 680 | |
7fd59977 | 681 | Standard_Real Ax = ax ; |
682 | Standard_Real Ay = ay ; | |
683 | Standard_Real Az = az ; | |
7fd59977 | 684 | |
685 | if( Ax > 0. ) while ( Ax > DEUXPI ) Ax -= DEUXPI ; | |
686 | else if( Ax < 0. ) while ( Ax < -DEUXPI ) Ax += DEUXPI ; | |
687 | if( Ay > 0. ) while ( Ay > DEUXPI ) Ay -= DEUXPI ; | |
688 | else if( Ay < 0. ) while ( Ay < -DEUXPI ) Ay += DEUXPI ; | |
689 | if( Az > 0. ) while ( Az > DEUXPI ) Az -= DEUXPI ; | |
690 | else if( Az < 0. ) while ( Az < -DEUXPI ) Az += DEUXPI ; | |
691 | ||
c357e426 | 692 | Handle(Graphic3d_Camera) aCamera = Camera(); |
693 | ||
b5ac8292 | 694 | if (Start) |
695 | { | |
696 | myGravityReferencePoint.SetCoord (X, Y, Z); | |
c357e426 | 697 | myCamStartOpUp = aCamera->Up(); |
698 | myCamStartOpEye = aCamera->Eye(); | |
699 | myCamStartOpCenter = aCamera->Center(); | |
b5ac8292 | 700 | } |
701 | ||
702 | const Graphic3d_Vertex& aVref = myGravityReferencePoint; | |
703 | ||
c357e426 | 704 | aCamera->SetUp (myCamStartOpUp); |
705 | aCamera->SetEye (myCamStartOpEye); | |
706 | aCamera->SetCenter (myCamStartOpCenter); | |
b5ac8292 | 707 | |
708 | // rotate camera around 3 initial axes | |
709 | gp_Pnt aRCenter (aVref.X(), aVref.Y(), aVref.Z()); | |
710 | ||
c357e426 | 711 | gp_Dir aZAxis (aCamera->Direction().Reversed()); |
712 | gp_Dir aYAxis (aCamera->Up()); | |
b5ac8292 | 713 | gp_Dir aXAxis (aYAxis.Crossed (aZAxis)); |
714 | ||
715 | gp_Trsf aRot[3], aTrsf; | |
716 | aRot[0].SetRotation (gp_Ax1 (aRCenter, aYAxis), -Ax); | |
717 | aRot[1].SetRotation (gp_Ax1 (aRCenter, aXAxis), Ay); | |
718 | aRot[2].SetRotation (gp_Ax1 (aRCenter, aZAxis), Az); | |
719 | aTrsf.Multiply (aRot[0]); | |
720 | aTrsf.Multiply (aRot[1]); | |
721 | aTrsf.Multiply (aRot[2]); | |
722 | ||
c357e426 | 723 | aCamera->Transform (aTrsf); |
b5ac8292 | 724 | |
c357e426 | 725 | AutoZFit(); |
b5ac8292 | 726 | |
7fd59977 | 727 | ImmediateUpdate(); |
7fd59977 | 728 | } |
729 | ||
197ac94e | 730 | //============================================================================= |
731 | //function : Rotate | |
732 | //purpose : | |
733 | //============================================================================= | |
b8ddfc2f | 734 | void V3d_View::Rotate(const V3d_TypeOfAxe Axe, const Standard_Real angle, const Standard_Boolean Start) |
735 | { | |
7fd59977 | 736 | switch (Axe) { |
737 | case V3d_X : | |
738 | Rotate(angle,0.,0.,Start); | |
739 | break ; | |
740 | case V3d_Y : | |
741 | Rotate(0.,angle,0.,Start); | |
742 | break ; | |
743 | case V3d_Z : | |
744 | Rotate(0.,0.,angle,Start); | |
745 | break ; | |
746 | } | |
7fd59977 | 747 | } |
748 | ||
197ac94e | 749 | //============================================================================= |
750 | //function : Rotate | |
751 | //purpose : | |
752 | //============================================================================= | |
7fd59977 | 753 | void V3d_View::Rotate(const V3d_TypeOfAxe Axe, const Standard_Real angle, |
754 | const Standard_Real X, const Standard_Real Y, const Standard_Real Z, const Standard_Boolean Start) | |
755 | { | |
7fd59977 | 756 | Standard_Real Angle = angle ; |
7fd59977 | 757 | |
758 | if( Angle > 0. ) while ( Angle > DEUXPI ) Angle -= DEUXPI ; | |
759 | else if( Angle < 0. ) while ( Angle < -DEUXPI ) Angle += DEUXPI ; | |
760 | ||
c357e426 | 761 | Handle(Graphic3d_Camera) aCamera = Camera(); |
762 | ||
b5ac8292 | 763 | if (Start) |
764 | { | |
765 | myGravityReferencePoint.SetCoord (X, Y, Z); | |
c357e426 | 766 | myCamStartOpUp = aCamera->Up(); |
767 | myCamStartOpEye = aCamera->Eye(); | |
768 | myCamStartOpCenter = aCamera->Center(); | |
b5ac8292 | 769 | |
7fd59977 | 770 | switch (Axe) { |
771 | case V3d_X : | |
b5ac8292 | 772 | myViewAxis.SetCoord(1.,0.,0.) ; |
7fd59977 | 773 | break ; |
774 | case V3d_Y : | |
b5ac8292 | 775 | myViewAxis.SetCoord(0.,1.,0.) ; |
7fd59977 | 776 | break ; |
777 | case V3d_Z : | |
b5ac8292 | 778 | myViewAxis.SetCoord(0.,0.,1.) ; |
7fd59977 | 779 | break ; |
780 | } | |
b5ac8292 | 781 | |
c357e426 | 782 | myCamStartOpUp = aCamera->Up(); |
783 | myCamStartOpEye = aCamera->Eye(); | |
784 | myCamStartOpCenter = aCamera->Center(); | |
7fd59977 | 785 | } |
786 | ||
b5ac8292 | 787 | const Graphic3d_Vertex& aVref = myGravityReferencePoint; |
788 | ||
c357e426 | 789 | aCamera->SetUp (myCamStartOpUp); |
790 | aCamera->SetEye (myCamStartOpEye); | |
791 | aCamera->SetCenter (myCamStartOpCenter); | |
b5ac8292 | 792 | |
793 | // rotate camera around passed axis | |
794 | gp_Trsf aRotation; | |
795 | gp_Pnt aRCenter (aVref.X(), aVref.Y(), aVref.Z()); | |
796 | gp_Dir aRAxis ((Axe == V3d_X) ? 1.0 : 0.0, | |
797 | (Axe == V3d_Y) ? 1.0 : 0.0, | |
798 | (Axe == V3d_Z) ? 1.0 : 0.0); | |
799 | ||
800 | aRotation.SetRotation (gp_Ax1 (aRCenter, aRAxis), Angle); | |
b5ac8292 | 801 | |
c357e426 | 802 | aCamera->Transform (aRotation); |
803 | ||
804 | AutoZFit(); | |
b5ac8292 | 805 | |
7fd59977 | 806 | ImmediateUpdate(); |
7fd59977 | 807 | } |
808 | ||
197ac94e | 809 | //============================================================================= |
810 | //function : Rotate | |
811 | //purpose : | |
812 | //============================================================================= | |
b8ddfc2f | 813 | void V3d_View::Rotate(const Standard_Real angle, const Standard_Boolean Start) |
814 | { | |
b5ac8292 | 815 | Standard_Real Angle = angle; |
7fd59977 | 816 | |
817 | if( Angle > 0. ) while ( Angle > DEUXPI ) Angle -= DEUXPI ; | |
818 | else if( Angle < 0. ) while ( Angle < -DEUXPI ) Angle += DEUXPI ; | |
819 | ||
c357e426 | 820 | Handle(Graphic3d_Camera) aCamera = Camera(); |
821 | ||
7fd59977 | 822 | if( Start ) { |
c357e426 | 823 | myCamStartOpUp = aCamera->Up(); |
824 | myCamStartOpEye = aCamera->Eye(); | |
825 | myCamStartOpCenter = aCamera->Center(); | |
7fd59977 | 826 | } |
827 | ||
b5ac8292 | 828 | const Graphic3d_Vertex& aPnt = MyDefaultViewPoint; |
829 | const Graphic3d_Vector& anAxis = MyDefaultViewAxis; | |
830 | ||
c357e426 | 831 | aCamera->SetUp (myCamStartOpUp); |
832 | aCamera->SetEye (myCamStartOpEye); | |
833 | aCamera->SetCenter (myCamStartOpCenter); | |
b5ac8292 | 834 | |
835 | gp_Trsf aRotation; | |
836 | gp_Pnt aRCenter (aPnt.X(), aPnt.Y(), aPnt.Z()); | |
837 | gp_Dir aRAxis (anAxis.X(), anAxis.Y(), anAxis.Z()); | |
838 | aRotation.SetRotation (gp_Ax1 (aRCenter, aRAxis), Angle); | |
b5ac8292 | 839 | |
c357e426 | 840 | aCamera->Transform (aRotation); |
841 | ||
842 | AutoZFit(); | |
b5ac8292 | 843 | |
7fd59977 | 844 | ImmediateUpdate(); |
7fd59977 | 845 | } |
846 | ||
197ac94e | 847 | //============================================================================= |
848 | //function : Turn | |
849 | //purpose : | |
850 | //============================================================================= | |
7fd59977 | 851 | void V3d_View::Turn(const Standard_Real ax, const Standard_Real ay, const Standard_Real az, const Standard_Boolean Start) |
852 | { | |
b5ac8292 | 853 | Standard_Real Ax = ax; |
854 | Standard_Real Ay = ay; | |
855 | Standard_Real Az = az; | |
7fd59977 | 856 | |
857 | if( Ax > 0. ) while ( Ax > DEUXPI ) Ax -= DEUXPI ; | |
858 | else if( Ax < 0. ) while ( Ax < -DEUXPI ) Ax += DEUXPI ; | |
859 | if( Ay > 0. ) while ( Ay > DEUXPI ) Ay -= DEUXPI ; | |
860 | else if( Ay < 0. ) while ( Ay < -DEUXPI ) Ay += DEUXPI ; | |
861 | if( Az > 0. ) while ( Az > DEUXPI ) Az -= DEUXPI ; | |
862 | else if( Az < 0. ) while ( Az < -DEUXPI ) Az += DEUXPI ; | |
863 | ||
c357e426 | 864 | Handle(Graphic3d_Camera) aCamera = Camera(); |
865 | ||
7fd59977 | 866 | if( Start ) { |
c357e426 | 867 | myCamStartOpUp = aCamera->Up(); |
868 | myCamStartOpEye = aCamera->Eye(); | |
869 | myCamStartOpCenter = aCamera->Center(); | |
b5ac8292 | 870 | } |
871 | ||
c357e426 | 872 | aCamera->SetUp (myCamStartOpUp); |
873 | aCamera->SetEye (myCamStartOpEye); | |
874 | aCamera->SetCenter (myCamStartOpCenter); | |
b5ac8292 | 875 | |
876 | // rotate camera around 3 initial axes | |
c357e426 | 877 | gp_Pnt aRCenter = aCamera->Eye(); |
878 | gp_Dir aZAxis (aCamera->Direction().Reversed()); | |
879 | gp_Dir aYAxis (aCamera->Up()); | |
b5ac8292 | 880 | gp_Dir aXAxis (aYAxis.Crossed (aZAxis)); |
881 | ||
882 | gp_Trsf aRot[3], aTrsf; | |
883 | aRot[0].SetRotation (gp_Ax1 (aRCenter, aYAxis), -Ax); | |
884 | aRot[1].SetRotation (gp_Ax1 (aRCenter, aXAxis), Ay); | |
885 | aRot[2].SetRotation (gp_Ax1 (aRCenter, aZAxis), Az); | |
886 | aTrsf.Multiply (aRot[0]); | |
887 | aTrsf.Multiply (aRot[1]); | |
888 | aTrsf.Multiply (aRot[2]); | |
889 | ||
c357e426 | 890 | aCamera->Transform (aTrsf); |
b5ac8292 | 891 | |
c357e426 | 892 | AutoZFit(); |
b5ac8292 | 893 | |
894 | ImmediateUpdate(); | |
7fd59977 | 895 | } |
896 | ||
197ac94e | 897 | //============================================================================= |
898 | //function : Turn | |
899 | //purpose : | |
900 | //============================================================================= | |
7fd59977 | 901 | void V3d_View::Turn(const V3d_TypeOfAxe Axe, const Standard_Real angle, const Standard_Boolean Start) |
902 | { | |
7fd59977 | 903 | switch (Axe) { |
904 | case V3d_X : | |
905 | Turn(angle,0.,0.,Start); | |
906 | break ; | |
907 | case V3d_Y : | |
908 | Turn(0.,angle,0.,Start); | |
909 | break ; | |
910 | case V3d_Z : | |
911 | Turn(0.,0.,angle,Start); | |
912 | break ; | |
913 | } | |
914 | } | |
915 | ||
197ac94e | 916 | //============================================================================= |
917 | //function : Turn | |
918 | //purpose : | |
919 | //============================================================================= | |
b8ddfc2f | 920 | void V3d_View::Turn(const Standard_Real angle, const Standard_Boolean Start) |
921 | { | |
7fd59977 | 922 | Standard_Real Angle = angle ; |
7fd59977 | 923 | |
924 | if( Angle > 0. ) while ( Angle > DEUXPI ) Angle -= DEUXPI ; | |
925 | else if( Angle < 0. ) while ( Angle < -DEUXPI ) Angle += DEUXPI ; | |
926 | ||
c357e426 | 927 | Handle(Graphic3d_Camera) aCamera = Camera(); |
928 | ||
7fd59977 | 929 | if( Start ) { |
c357e426 | 930 | myCamStartOpUp = aCamera->Up(); |
931 | myCamStartOpEye = aCamera->Eye(); | |
932 | myCamStartOpCenter = aCamera->Center(); | |
b5ac8292 | 933 | } |
934 | ||
c357e426 | 935 | aCamera->SetUp (myCamStartOpUp); |
936 | aCamera->SetEye (myCamStartOpEye); | |
937 | aCamera->SetCenter (myCamStartOpCenter); | |
b5ac8292 | 938 | |
939 | const Graphic3d_Vector& anAxis = MyDefaultViewAxis; | |
940 | ||
941 | gp_Trsf aRotation; | |
c357e426 | 942 | gp_Pnt aRCenter = aCamera->Eye(); |
b5ac8292 | 943 | gp_Dir aRAxis (anAxis.X(), anAxis.Y(), anAxis.Z()); |
944 | aRotation.SetRotation (gp_Ax1 (aRCenter, aRAxis), Angle); | |
b5ac8292 | 945 | |
c357e426 | 946 | aCamera->Transform (aRotation); |
947 | ||
948 | AutoZFit(); | |
b5ac8292 | 949 | |
950 | ImmediateUpdate(); | |
7fd59977 | 951 | } |
952 | ||
197ac94e | 953 | //============================================================================= |
954 | //function : SetTwist | |
955 | //purpose : | |
956 | //============================================================================= | |
b8ddfc2f | 957 | void V3d_View::SetTwist(const Standard_Real angle) |
958 | { | |
7fd59977 | 959 | Standard_Real Angle = angle ; |
b5ac8292 | 960 | Standard_Boolean TheStatus; |
7fd59977 | 961 | |
962 | if( Angle > 0. ) while ( Angle > DEUXPI ) Angle -= DEUXPI ; | |
963 | else if( Angle < 0. ) while ( Angle < -DEUXPI ) Angle += DEUXPI ; | |
964 | ||
c357e426 | 965 | Handle(Graphic3d_Camera) aCamera = Camera(); |
966 | ||
967 | gp_Dir aReferencePlane (aCamera->Direction().Reversed()); | |
b5ac8292 | 968 | gp_Dir anUp; |
969 | ||
970 | anUp = gp_Dir (0.0, 0.0, 1.0); | |
971 | ||
972 | TheStatus = ScreenAxis(aReferencePlane, anUp, | |
973 | myXscreenAxis,myYscreenAxis,myZscreenAxis) ; | |
7fd59977 | 974 | if( !TheStatus ) { |
b5ac8292 | 975 | anUp = gp_Dir (0.0, 1.0, 0.0); |
976 | TheStatus = ScreenAxis(aReferencePlane, anUp, | |
977 | myXscreenAxis,myYscreenAxis,myZscreenAxis) ; | |
7fd59977 | 978 | } |
979 | if( !TheStatus ) { | |
b5ac8292 | 980 | anUp = gp_Dir (1.0, 0.0, 0.0); |
981 | TheStatus = ScreenAxis(aReferencePlane, anUp, | |
982 | myXscreenAxis,myYscreenAxis,myZscreenAxis) ; | |
7fd59977 | 983 | } |
984 | ||
6942f04a | 985 | V3d_BadValue_Raise_if( !TheStatus,"V3d_ViewSetTwist, alignment of Eye,At,Up,"); |
b5ac8292 | 986 | |
c357e426 | 987 | gp_Pnt aRCenter = aCamera->Center(); |
988 | gp_Dir aZAxis (aCamera->Direction().Reversed()); | |
b5ac8292 | 989 | |
990 | gp_Trsf aTrsf; | |
991 | aTrsf.SetRotation (gp_Ax1 (aRCenter, aZAxis), Angle); | |
992 | ||
993 | Standard_Real myYscreenAxisX, myYscreenAxisY, myYscreenAxisZ; | |
994 | myYscreenAxis.Coord (myYscreenAxisX, myYscreenAxisY, myYscreenAxisZ); | |
197ac94e | 995 | |
c357e426 | 996 | aCamera->SetUp (gp_Dir (myYscreenAxisX, myYscreenAxisY, myYscreenAxisZ)); |
997 | aCamera->Transform (aTrsf); | |
b5ac8292 | 998 | |
c357e426 | 999 | AutoZFit(); |
7fd59977 | 1000 | |
7fd59977 | 1001 | ImmediateUpdate(); |
7fd59977 | 1002 | } |
1003 | ||
197ac94e | 1004 | //============================================================================= |
1005 | //function : SetEye | |
1006 | //purpose : | |
1007 | //============================================================================= | |
1008 | void V3d_View::SetEye(const Standard_Real X,const Standard_Real Y,const Standard_Real Z) | |
1009 | { | |
1010 | Standard_Real aTwistBefore = Twist(); | |
7fd59977 | 1011 | |
197ac94e | 1012 | Standard_Boolean wasUpdateEnabled = SetImmediateUpdate (Standard_False); |
b5ac8292 | 1013 | |
c357e426 | 1014 | Handle(Graphic3d_Camera) aCamera = Camera(); |
1015 | ||
1016 | aCamera->SetEye (gp_Pnt (X, Y, Z)); | |
1017 | ||
197ac94e | 1018 | SetTwist (aTwistBefore); |
b5ac8292 | 1019 | |
c357e426 | 1020 | AutoZFit(); |
b5ac8292 | 1021 | |
197ac94e | 1022 | SetImmediateUpdate (wasUpdateEnabled); |
1023 | ||
b5ac8292 | 1024 | ImmediateUpdate(); |
7fd59977 | 1025 | } |
1026 | ||
197ac94e | 1027 | //============================================================================= |
1028 | //function : SetDepth | |
1029 | //purpose : | |
1030 | //============================================================================= | |
b8ddfc2f | 1031 | void V3d_View::SetDepth(const Standard_Real Depth) |
1032 | { | |
b5ac8292 | 1033 | V3d_BadValue_Raise_if (Depth == 0. ,"V3d_View::SetDepth, bad depth"); |
7fd59977 | 1034 | |
c357e426 | 1035 | Handle(Graphic3d_Camera) aCamera = Camera(); |
1036 | ||
7fd59977 | 1037 | if( Depth > 0. ) |
7fd59977 | 1038 | { |
b5ac8292 | 1039 | // Move eye using center (target) as anchor. |
c357e426 | 1040 | aCamera->SetDistance (Depth); |
b5ac8292 | 1041 | } |
1042 | else | |
197ac94e | 1043 | { |
b5ac8292 | 1044 | // Move the view ref point instead of the eye. |
c357e426 | 1045 | gp_Vec aDir (aCamera->Direction()); |
1046 | gp_Pnt aCameraEye = aCamera->Eye(); | |
197ac94e | 1047 | gp_Pnt aCameraCenter = aCameraEye.Translated (aDir.Multiplied (Abs (Depth))); |
1048 | ||
c357e426 | 1049 | aCamera->SetCenter (aCameraCenter); |
7fd59977 | 1050 | } |
7fd59977 | 1051 | |
c357e426 | 1052 | AutoZFit(); |
b5ac8292 | 1053 | |
1054 | ImmediateUpdate(); | |
7fd59977 | 1055 | } |
1056 | ||
197ac94e | 1057 | //============================================================================= |
1058 | //function : SetProj | |
1059 | //purpose : | |
1060 | //============================================================================= | |
7fd59977 | 1061 | void V3d_View::SetProj( const Standard_Real Vx,const Standard_Real Vy, const Standard_Real Vz ) |
1062 | { | |
6942f04a | 1063 | V3d_BadValue_Raise_if( Sqrt(Vx*Vx + Vy*Vy + Vz*Vz) <= 0., |
7fd59977 | 1064 | "V3d_View::SetProj, null projection vector"); |
1065 | ||
197ac94e | 1066 | Standard_Real aTwistBefore = Twist(); |
b5ac8292 | 1067 | |
197ac94e | 1068 | Standard_Boolean wasUpdateEnabled = SetImmediateUpdate (Standard_False); |
b5ac8292 | 1069 | |
c357e426 | 1070 | Camera()->SetDirection (gp_Dir (Vx, Vy, Vz).Reversed()); |
b5ac8292 | 1071 | |
1521659a | 1072 | SetTwist(aTwistBefore); |
b5ac8292 | 1073 | |
c357e426 | 1074 | AutoZFit(); |
b5ac8292 | 1075 | |
197ac94e | 1076 | SetImmediateUpdate (wasUpdateEnabled); |
1077 | ||
7fd59977 | 1078 | ImmediateUpdate(); |
7fd59977 | 1079 | } |
1080 | ||
197ac94e | 1081 | //============================================================================= |
1082 | //function : SetProj | |
1083 | //purpose : | |
1084 | //============================================================================= | |
b8ddfc2f | 1085 | void V3d_View::SetProj( const V3d_TypeOfOrientation Orientation ) |
1086 | { | |
7fd59977 | 1087 | Standard_Real Xpn=0; |
1088 | Standard_Real Ypn=0; | |
1089 | Standard_Real Zpn=0; | |
1090 | ||
1091 | switch (Orientation) { | |
1092 | case V3d_Zpos : | |
b5ac8292 | 1093 | Ypn = 1.; |
1094 | break; | |
7fd59977 | 1095 | case V3d_Zneg : |
b5ac8292 | 1096 | Ypn = -1.; |
1097 | break; | |
7fd59977 | 1098 | default: |
1099 | Zpn = 1.; | |
1100 | } | |
b5ac8292 | 1101 | |
1102 | const Graphic3d_Vector& aBck = V3d::GetProjAxis (Orientation); | |
197ac94e | 1103 | |
1104 | // retain camera panning from origin when switching projection | |
c357e426 | 1105 | Handle(Graphic3d_Camera) aCamera = Camera(); |
1106 | ||
1107 | gp_Pnt anOriginVCS = aCamera->ConvertWorld2View (gp::Origin()); | |
197ac94e | 1108 | Standard_Real aPanX = anOriginVCS.X(); |
1109 | Standard_Real aPanY = anOriginVCS.Y(); | |
1110 | ||
c357e426 | 1111 | aCamera->SetCenter (gp_Pnt (0, 0, 0)); |
1112 | aCamera->SetDirection (gp_Dir (aBck.X(), aBck.Y(), aBck.Z()).Reversed()); | |
1113 | aCamera->SetUp (gp_Dir (Xpn, Ypn, Zpn)); | |
1114 | aCamera->OrthogonalizeUp(); | |
197ac94e | 1115 | |
1116 | Panning (aPanX, aPanY); | |
b5ac8292 | 1117 | |
c357e426 | 1118 | AutoZFit(); |
b5ac8292 | 1119 | |
7fd59977 | 1120 | ImmediateUpdate(); |
7fd59977 | 1121 | } |
1122 | ||
197ac94e | 1123 | //============================================================================= |
1124 | //function : SetAt | |
1125 | //purpose : | |
1126 | //============================================================================= | |
b8ddfc2f | 1127 | void V3d_View::SetAt(const Standard_Real X,const Standard_Real Y,const Standard_Real Z) |
1128 | { | |
197ac94e | 1129 | Standard_Real aTwistBefore = Twist(); |
b5ac8292 | 1130 | |
197ac94e | 1131 | Standard_Boolean wasUpdateEnabled = SetImmediateUpdate (Standard_False); |
b5ac8292 | 1132 | |
c357e426 | 1133 | Camera()->SetCenter (gp_Pnt (X, Y, Z)); |
b5ac8292 | 1134 | |
197ac94e | 1135 | SetTwist (aTwistBefore); |
b5ac8292 | 1136 | |
c357e426 | 1137 | AutoZFit(); |
b5ac8292 | 1138 | |
197ac94e | 1139 | SetImmediateUpdate (wasUpdateEnabled); |
1140 | ||
7fd59977 | 1141 | ImmediateUpdate(); |
7fd59977 | 1142 | } |
1143 | ||
197ac94e | 1144 | //============================================================================= |
1145 | //function : SetUp | |
1146 | //purpose : | |
1147 | //============================================================================= | |
b8ddfc2f | 1148 | void V3d_View::SetUp(const Standard_Real Vx,const Standard_Real Vy,const Standard_Real Vz) |
1149 | { | |
7fd59977 | 1150 | Standard_Boolean TheStatus ; |
6942f04a | 1151 | V3d_BadValue_Raise_if( Sqrt(Vx*Vx + Vy*Vy + Vz*Vz) <= 0. , |
7fd59977 | 1152 | "V3d_View::SetUp, nullUp vector"); |
1153 | ||
c357e426 | 1154 | Handle(Graphic3d_Camera) aCamera = Camera(); |
1155 | ||
1156 | gp_Dir aReferencePlane (aCamera->Direction().Reversed()); | |
b5ac8292 | 1157 | gp_Dir anUp (Vx, Vy, Vz); |
1158 | ||
1159 | TheStatus = ScreenAxis(aReferencePlane,anUp, | |
1160 | myXscreenAxis,myYscreenAxis,myZscreenAxis) ; | |
7fd59977 | 1161 | if( !TheStatus ) { |
b5ac8292 | 1162 | anUp = gp_Dir (0.0, 0.0, 1.0); |
1163 | TheStatus = ScreenAxis(aReferencePlane,anUp, | |
1164 | myXscreenAxis,myYscreenAxis,myZscreenAxis) ; | |
7fd59977 | 1165 | } |
1166 | if( !TheStatus ) { | |
b5ac8292 | 1167 | anUp = gp_Dir (0.0, 1.0, 0.0); |
1168 | TheStatus = ScreenAxis(aReferencePlane,anUp, | |
1169 | myXscreenAxis,myYscreenAxis,myZscreenAxis) ; | |
7fd59977 | 1170 | } |
1171 | if( !TheStatus ) { | |
b5ac8292 | 1172 | anUp = gp_Dir (1.0, 0.0, 0.0); |
1173 | TheStatus = ScreenAxis(aReferencePlane,anUp, | |
1174 | myXscreenAxis,myYscreenAxis,myZscreenAxis) ; | |
7fd59977 | 1175 | } |
6942f04a | 1176 | V3d_BadValue_Raise_if( !TheStatus,"V3d_View::Setup, alignment of Eye,At,Up"); |
7fd59977 | 1177 | |
b5ac8292 | 1178 | Standard_Real myYscreenAxisX, myYscreenAxisY, myYscreenAxisZ; |
1179 | myYscreenAxis.Coord (myYscreenAxisX, myYscreenAxisY, myYscreenAxisZ); | |
1180 | ||
c357e426 | 1181 | aCamera->SetUp (gp_Dir (myYscreenAxisX, myYscreenAxisY, myYscreenAxisZ)); |
197ac94e | 1182 | |
c357e426 | 1183 | AutoZFit(); |
b5ac8292 | 1184 | |
7fd59977 | 1185 | ImmediateUpdate(); |
7fd59977 | 1186 | } |
1187 | ||
197ac94e | 1188 | //============================================================================= |
1189 | //function : SetUp | |
1190 | //purpose : | |
1191 | //============================================================================= | |
b8ddfc2f | 1192 | void V3d_View::SetUp( const V3d_TypeOfOrientation Orientation ) |
1193 | { | |
7fd59977 | 1194 | Standard_Boolean TheStatus ; |
1195 | ||
c357e426 | 1196 | Handle(Graphic3d_Camera) aCamera = Camera(); |
1197 | ||
1198 | gp_Dir aReferencePlane (aCamera->Direction().Reversed()); | |
b5ac8292 | 1199 | gp_Dir anUp; |
1200 | ||
1201 | const Graphic3d_Vector& aViewReferenceUp = V3d::GetProjAxis(Orientation) ; | |
1202 | anUp = gp_Dir (aViewReferenceUp.X(), aViewReferenceUp.Y(), aViewReferenceUp.Z()); | |
1203 | ||
1204 | TheStatus = ScreenAxis(aReferencePlane,anUp, | |
1205 | myXscreenAxis,myYscreenAxis,myZscreenAxis) ; | |
7fd59977 | 1206 | if( !TheStatus ) { |
b5ac8292 | 1207 | anUp = gp_Dir (0.,0.,1.); |
1208 | TheStatus = ScreenAxis(aReferencePlane,anUp, | |
1209 | myXscreenAxis,myYscreenAxis,myZscreenAxis) ; | |
7fd59977 | 1210 | } |
1211 | if( !TheStatus ) { | |
b5ac8292 | 1212 | anUp = gp_Dir (0.,1.,0.); |
1213 | TheStatus = ScreenAxis(aReferencePlane,anUp, | |
1214 | myXscreenAxis,myYscreenAxis,myZscreenAxis) ; | |
7fd59977 | 1215 | } |
1216 | if( !TheStatus ) { | |
b5ac8292 | 1217 | anUp = gp_Dir (1.,0.,0.); |
1218 | TheStatus = ScreenAxis(aReferencePlane,anUp, | |
1219 | myXscreenAxis,myYscreenAxis,myZscreenAxis) ; | |
7fd59977 | 1220 | } |
6942f04a | 1221 | V3d_BadValue_Raise_if( !TheStatus, "V3d_View::SetUp, alignment of Eye,At,Up"); |
7fd59977 | 1222 | |
b5ac8292 | 1223 | Standard_Real myYscreenAxisX, myYscreenAxisY, myYscreenAxisZ; |
1224 | myYscreenAxis.Coord (myYscreenAxisX, myYscreenAxisY, myYscreenAxisZ); | |
1225 | ||
c357e426 | 1226 | aCamera->SetUp (gp_Dir (myYscreenAxisX, myYscreenAxisY, myYscreenAxisZ)); |
197ac94e | 1227 | |
c357e426 | 1228 | AutoZFit(); |
7fd59977 | 1229 | |
7fd59977 | 1230 | ImmediateUpdate(); |
1231 | } | |
1232 | ||
197ac94e | 1233 | //============================================================================= |
1234 | //function : SetViewOrientationDefault | |
1235 | //purpose : | |
1236 | //============================================================================= | |
b8ddfc2f | 1237 | void V3d_View::SetViewOrientationDefault() |
1238 | { | |
c357e426 | 1239 | myDefaultCamera->CopyOrientationData (Camera()); |
1240 | } | |
b5ac8292 | 1241 | |
c357e426 | 1242 | //======================================================================= |
1243 | //function : SetViewMappingDefault | |
1244 | //purpose : | |
1245 | //======================================================================= | |
1246 | void V3d_View::SetViewMappingDefault() | |
1247 | { | |
1248 | myDefaultCamera->CopyMappingData (Camera()); | |
7fd59977 | 1249 | } |
1250 | ||
197ac94e | 1251 | //============================================================================= |
1252 | //function : ResetViewOrientation | |
1253 | //purpose : | |
1254 | //============================================================================= | |
b8ddfc2f | 1255 | void V3d_View::ResetViewOrientation() |
1256 | { | |
c357e426 | 1257 | Camera()->CopyOrientationData (myDefaultCamera); |
1258 | ||
1259 | AutoZFit(); | |
1260 | ||
1261 | ImmediateUpdate(); | |
1262 | } | |
1263 | ||
1264 | //======================================================================= | |
1265 | //function : ResetViewMapping | |
1266 | //purpose : | |
1267 | //======================================================================= | |
1268 | void V3d_View::ResetViewMapping() | |
1269 | { | |
1270 | Camera()->CopyMappingData (myDefaultCamera); | |
1271 | ||
1272 | AutoZFit(); | |
b5ac8292 | 1273 | |
7fd59977 | 1274 | ImmediateUpdate(); |
1275 | } | |
1276 | ||
197ac94e | 1277 | //============================================================================= |
1278 | //function : Reset | |
1279 | //purpose : | |
1280 | //============================================================================= | |
c357e426 | 1281 | void V3d_View::Reset (const Standard_Boolean theToUpdate) |
b8ddfc2f | 1282 | { |
c357e426 | 1283 | Camera()->Copy (myDefaultCamera); |
197ac94e | 1284 | |
c357e426 | 1285 | AutoZFit(); |
7fd59977 | 1286 | |
7fd59977 | 1287 | SwitchSetFront = Standard_False; |
b5ac8292 | 1288 | |
c357e426 | 1289 | if (myImmediateUpdate || theToUpdate) |
1290 | { | |
1291 | Update(); | |
1292 | } | |
7fd59977 | 1293 | } |
1294 | ||
197ac94e | 1295 | //======================================================================= |
1296 | //function : SetCenter | |
1297 | //purpose : | |
1298 | //======================================================================= | |
1299 | void V3d_View::SetCenter (const Standard_Integer theXp, | |
1300 | const Standard_Integer theYp) | |
b8ddfc2f | 1301 | { |
197ac94e | 1302 | Standard_Real aXv, aYv; |
1303 | Convert (theXp, theYp, aXv, aYv); | |
c357e426 | 1304 | Translate (Camera(), aXv, aYv); |
7fd59977 | 1305 | |
7fd59977 | 1306 | ImmediateUpdate(); |
7fd59977 | 1307 | } |
1308 | ||
197ac94e | 1309 | //============================================================================= |
1310 | //function : SetSize | |
1311 | //purpose : | |
1312 | //============================================================================= | |
3dfe95cd | 1313 | void V3d_View::SetSize (const Standard_Real theSize) |
7fd59977 | 1314 | { |
3dfe95cd | 1315 | V3d_BadValue_Raise_if (theSize <= 0.0, "V3d_View::SetSize, Window Size is NULL"); |
7fd59977 | 1316 | |
c357e426 | 1317 | Handle(Graphic3d_Camera) aCamera = Camera(); |
1318 | ||
1319 | aCamera->SetScale (aCamera->Aspect() >= 1.0 ? theSize / aCamera->Aspect() : theSize); | |
197ac94e | 1320 | |
c357e426 | 1321 | AutoZFit(); |
7fd59977 | 1322 | |
7fd59977 | 1323 | ImmediateUpdate(); |
7fd59977 | 1324 | } |
1325 | ||
197ac94e | 1326 | //============================================================================= |
1327 | //function : SetZSize | |
1328 | //purpose : | |
1329 | //============================================================================= | |
c357e426 | 1330 | void V3d_View::SetZSize (const Standard_Real theSize) |
7fd59977 | 1331 | { |
c357e426 | 1332 | Handle(Graphic3d_Camera) aCamera = Camera(); |
7fd59977 | 1333 | |
c357e426 | 1334 | Standard_Real Zmax = theSize / 2.; |
b5ac8292 | 1335 | |
c357e426 | 1336 | Standard_Real aDistance = aCamera->Distance(); |
1337 | ||
1338 | if (theSize <= 0.) | |
1339 | { | |
b5ac8292 | 1340 | Zmax = aDistance; |
7fd59977 | 1341 | } |
7fd59977 | 1342 | |
197ac94e | 1343 | // ShortReal precision factor used to add meaningful tolerance to |
1344 | // ZNear, ZFar values in order to avoid equality after type conversion | |
1345 | // to ShortReal matrices type. | |
1346 | const Standard_Real aPrecision = 1.0 / Pow (10.0, ShortRealDigits() - 1); | |
1347 | ||
1348 | Standard_Real aZFar = Zmax + aDistance * 2.0; | |
1349 | Standard_Real aZNear = -Zmax + aDistance; | |
1350 | aZNear -= Abs (aZNear) * aPrecision; | |
1351 | aZFar += Abs (aZFar) * aPrecision; | |
1352 | ||
c357e426 | 1353 | if (!aCamera->IsOrthographic()) |
197ac94e | 1354 | { |
1355 | if (aZFar < aPrecision) | |
1356 | { | |
1357 | // Invalid case when both values are negative | |
1358 | aZNear = aPrecision; | |
1359 | aZFar = aPrecision * 2.0; | |
1360 | } | |
1361 | else if (aZNear < Abs (aZFar) * aPrecision) | |
1362 | { | |
1363 | // Z is less than 0.0, try to fix it using any appropriate z-scale | |
1364 | aZNear = Abs (aZFar) * aPrecision; | |
1365 | } | |
1366 | } | |
1367 | ||
1368 | // If range is too small | |
1369 | if (aZFar < (aZNear + Abs (aZFar) * aPrecision)) | |
1370 | { | |
1371 | aZFar = aZNear + Abs (aZFar) * aPrecision; | |
1372 | } | |
1373 | ||
c357e426 | 1374 | aCamera->SetZRange (aZNear, aZFar); |
7fd59977 | 1375 | |
c357e426 | 1376 | if (myImmediateUpdate) |
b8ddfc2f | 1377 | { |
c357e426 | 1378 | Redraw(); |
b8ddfc2f | 1379 | } |
7fd59977 | 1380 | } |
1381 | ||
197ac94e | 1382 | //============================================================================= |
1383 | //function : SetZoom | |
1384 | //purpose : | |
1385 | //============================================================================= | |
e44b0af4 | 1386 | void V3d_View::SetZoom (const Standard_Real theCoef,const Standard_Boolean theToStart) |
7fd59977 | 1387 | { |
e44b0af4 | 1388 | V3d_BadValue_Raise_if (theCoef <= 0., "V3d_View::SetZoom, bad coefficient"); |
7fd59977 | 1389 | |
c357e426 | 1390 | Handle(Graphic3d_Camera) aCamera = Camera(); |
1391 | ||
e44b0af4 | 1392 | if (theToStart) |
b5ac8292 | 1393 | { |
c357e426 | 1394 | myCamStartOpEye = aCamera->Eye(); |
1395 | myCamStartOpCenter = aCamera->Center(); | |
7fd59977 | 1396 | } |
1397 | ||
c357e426 | 1398 | Standard_Real aViewWidth = aCamera->ViewDimensions().X(); |
1399 | Standard_Real aViewHeight = aCamera->ViewDimensions().Y(); | |
b5ac8292 | 1400 | |
7fd59977 | 1401 | // ensure that zoom will not be too small or too big |
e44b0af4 | 1402 | Standard_Real aCoef = theCoef; |
1403 | if (aViewWidth < aCoef * Precision::Confusion()) | |
b5ac8292 | 1404 | { |
e44b0af4 | 1405 | aCoef = aViewWidth / Precision::Confusion(); |
b5ac8292 | 1406 | } |
e44b0af4 | 1407 | else if (aViewWidth > aCoef * 1e12) |
b5ac8292 | 1408 | { |
e44b0af4 | 1409 | aCoef = aViewWidth / 1e12; |
b5ac8292 | 1410 | } |
e44b0af4 | 1411 | if (aViewHeight < aCoef * Precision::Confusion()) |
b5ac8292 | 1412 | { |
e44b0af4 | 1413 | aCoef = aViewHeight / Precision::Confusion(); |
b5ac8292 | 1414 | } |
e44b0af4 | 1415 | else if (aViewHeight > aCoef * 1e12) |
b5ac8292 | 1416 | { |
e44b0af4 | 1417 | aCoef = aViewHeight / 1e12; |
b5ac8292 | 1418 | } |
1419 | ||
c357e426 | 1420 | aCamera->SetEye (myCamStartOpEye); |
1421 | aCamera->SetCenter (myCamStartOpCenter); | |
e44b0af4 | 1422 | aCamera->SetScale (aCamera->Scale() / aCoef); |
c357e426 | 1423 | |
1424 | AutoZFit(); | |
b5ac8292 | 1425 | |
7fd59977 | 1426 | ImmediateUpdate(); |
1427 | } | |
1428 | ||
197ac94e | 1429 | //============================================================================= |
1430 | //function : SetScale | |
1431 | //purpose : | |
1432 | //============================================================================= | |
b8ddfc2f | 1433 | void V3d_View::SetScale( const Standard_Real Coef ) |
1434 | { | |
6942f04a | 1435 | V3d_BadValue_Raise_if( Coef <= 0. ,"V3d_View::SetScale, bad coefficient"); |
7fd59977 | 1436 | |
c357e426 | 1437 | Handle(Graphic3d_Camera) aCamera = Camera(); |
b5ac8292 | 1438 | |
c357e426 | 1439 | Standard_Real aDefaultScale = myDefaultCamera->Scale(); |
1440 | aCamera->SetAspect (myDefaultCamera->Aspect()); | |
1441 | aCamera->SetScale (aDefaultScale / Coef); | |
b5ac8292 | 1442 | |
c357e426 | 1443 | AutoZFit(); |
b5ac8292 | 1444 | |
7fd59977 | 1445 | ImmediateUpdate(); |
7fd59977 | 1446 | } |
1447 | ||
197ac94e | 1448 | //============================================================================= |
1449 | //function : SetAxialScale | |
1450 | //purpose : | |
1451 | //============================================================================= | |
b8ddfc2f | 1452 | void V3d_View::SetAxialScale( const Standard_Real Sx, const Standard_Real Sy, const Standard_Real Sz ) |
1453 | { | |
6942f04a | 1454 | V3d_BadValue_Raise_if( Sx <= 0. || Sy <= 0. || Sz <= 0.,"V3d_View::SetAxialScale, bad coefficient"); |
7fd59977 | 1455 | |
c357e426 | 1456 | Camera()->SetAxialScale (gp_XYZ (Sx, Sy, Sz)); |
1457 | ||
1458 | AutoZFit(); | |
1459 | } | |
1460 | ||
1461 | //============================================================================= | |
1462 | //function : SetRatio | |
1463 | //purpose : | |
1464 | //============================================================================= | |
1465 | void V3d_View::SetRatio() | |
1466 | { | |
1467 | if (MyWindow.IsNull()) | |
1468 | { | |
1469 | return; | |
1470 | } | |
1471 | ||
1472 | Standard_Integer aWidth = 0; | |
1473 | Standard_Integer aHeight = 0; | |
1474 | MyWindow->Size (aWidth, aHeight); | |
1475 | if (aWidth > 0 && aHeight > 0) | |
1476 | { | |
1477 | Standard_Real aRatio = static_cast<Standard_Real> (aWidth) / | |
1478 | static_cast<Standard_Real> (aHeight); | |
1479 | ||
1480 | Camera() ->SetAspect (aRatio); | |
1481 | myDefaultCamera->SetAspect (aRatio); | |
1482 | } | |
7fd59977 | 1483 | } |
1484 | ||
197ac94e | 1485 | //============================================================================= |
1486 | //function : FitAll | |
1487 | //purpose : | |
1488 | //============================================================================= | |
b586500b | 1489 | void V3d_View::FitAll (const Quantity_Coefficient theMargin, const Standard_Boolean theToUpdate) |
7fd59977 | 1490 | { |
c357e426 | 1491 | FitAll (myView->MinMaxValues(), theMargin, theToUpdate); |
b586500b | 1492 | } |
1493 | ||
1494 | //============================================================================= | |
1495 | //function : FitAll | |
1496 | //purpose : | |
1497 | //============================================================================= | |
1498 | void V3d_View::FitAll (const Bnd_Box& theBox, const Quantity_Coefficient theMargin, const Standard_Boolean theToUpdate) | |
1499 | { | |
1500 | Standard_ASSERT_RAISE(theMargin >= 0.0 && theMargin < 1.0, "Invalid margin coefficient"); | |
197ac94e | 1501 | |
c357e426 | 1502 | if (myView->NumberOfDisplayedStructures() == 0) |
197ac94e | 1503 | { |
1504 | return; | |
1505 | } | |
35617823 | 1506 | |
c357e426 | 1507 | if (!FitMinMax (Camera(), theBox, theMargin, 10.0 * Precision::Confusion())) |
35617823 | 1508 | { |
35617823 K |
1509 | return; |
1510 | } | |
7fd59977 | 1511 | |
c357e426 | 1512 | AutoZFit(); |
b5ac8292 | 1513 | |
197ac94e | 1514 | if (myImmediateUpdate || theToUpdate) |
35617823 | 1515 | { |
b5ac8292 | 1516 | Update(); |
35617823 | 1517 | } |
b5ac8292 | 1518 | } |
35617823 | 1519 | |
197ac94e | 1520 | //============================================================================= |
1521 | //function : DepthFitAll | |
1522 | //purpose : | |
1523 | //============================================================================= | |
7fd59977 | 1524 | void V3d_View::DepthFitAll(const Quantity_Coefficient Aspect, |
1525 | const Quantity_Coefficient Margin) | |
1526 | { | |
1527 | Standard_Real Xmin,Ymin,Zmin,Xmax,Ymax,Zmax,U,V,W,U1,V1,W1 ; | |
1528 | Standard_Real Umin,Vmin,Wmin,Umax,Vmax,Wmax ; | |
b5ac8292 | 1529 | Standard_Real Dx,Dy,Dz,Size; |
7fd59977 | 1530 | |
c357e426 | 1531 | Standard_Integer Nstruct = myView->NumberOfDisplayedStructures() ; |
7fd59977 | 1532 | |
b5ac8292 | 1533 | if((Nstruct <= 0) || (Aspect < 0.) || (Margin < 0.) || (Margin > 1.)) { |
7fd59977 | 1534 | ImmediateUpdate(); |
1535 | return ; | |
1536 | } | |
1537 | ||
c357e426 | 1538 | Bnd_Box aBox = myView->MinMaxValues(); |
ed063270 | 1539 | if (aBox.IsVoid()) |
1540 | { | |
1541 | ImmediateUpdate(); | |
1542 | return ; | |
1543 | } | |
1544 | aBox.Get (Xmin,Ymin,Zmin,Xmax,Ymax,Zmax); | |
c357e426 | 1545 | Project (Xmin,Ymin,Zmin,U,V,W) ; |
1546 | Project (Xmax,Ymax,Zmax,U1,V1,W1) ; | |
7fd59977 | 1547 | Umin = Min(U,U1) ; Umax = Max(U,U1) ; |
1548 | Vmin = Min(V,V1) ; Vmax = Max(V,V1) ; | |
1549 | Wmin = Min(W,W1) ; Wmax = Max(W,W1) ; | |
c357e426 | 1550 | Project (Xmin,Ymin,Zmax,U,V,W) ; |
7fd59977 | 1551 | Umin = Min(U,Umin) ; Umax = Max(U,Umax) ; |
1552 | Vmin = Min(V,Vmin) ; Vmax = Max(V,Vmax) ; | |
1553 | Wmin = Min(W,Wmin) ; Wmax = Max(W,Wmax) ; | |
c357e426 | 1554 | Project (Xmax,Ymin,Zmax,U,V,W) ; |
7fd59977 | 1555 | Umin = Min(U,Umin) ; Umax = Max(U,Umax) ; |
1556 | Vmin = Min(V,Vmin) ; Vmax = Max(V,Vmax) ; | |
1557 | Wmin = Min(W,Wmin) ; Wmax = Max(W,Wmax) ; | |
c357e426 | 1558 | Project (Xmax,Ymin,Zmin,U,V,W) ; |
7fd59977 | 1559 | Umin = Min(U,Umin) ; Umax = Max(U,Umax) ; |
1560 | Vmin = Min(V,Vmin) ; Vmax = Max(V,Vmax) ; | |
1561 | Wmin = Min(W,Wmin) ; Wmax = Max(W,Wmax) ; | |
c357e426 | 1562 | Project (Xmax,Ymax,Zmin,U,V,W) ; |
7fd59977 | 1563 | Umin = Min(U,Umin) ; Umax = Max(U,Umax) ; |
1564 | Vmin = Min(V,Vmin) ; Vmax = Max(V,Vmax) ; | |
1565 | Wmin = Min(W,Wmin) ; Wmax = Max(W,Wmax) ; | |
c357e426 | 1566 | Project (Xmin,Ymax,Zmax,U,V,W) ; |
7fd59977 | 1567 | Umin = Min(U,Umin) ; Umax = Max(U,Umax) ; |
1568 | Vmin = Min(V,Vmin) ; Vmax = Max(V,Vmax) ; | |
1569 | Wmin = Min(W,Wmin) ; Wmax = Max(W,Wmax) ; | |
c357e426 | 1570 | Project (Xmin,Ymax,Zmin,U,V,W) ; |
7fd59977 | 1571 | Umin = Min(U,Umin) ; Umax = Max(U,Umax) ; |
1572 | Vmin = Min(V,Vmin) ; Vmax = Max(V,Vmax) ; | |
1573 | Wmin = Min(W,Wmin) ; Wmax = Max(W,Wmax) ; | |
1574 | ||
1575 | // Adjust Z size | |
1576 | Wmax = Max(Abs(Wmin),Abs(Wmax)) ; | |
1577 | Dz = 2.*Wmax + Margin * Wmax; | |
1578 | ||
1579 | // Compute depth value | |
1580 | Dx = Abs(Umax - Umin) ; Dy = Abs(Vmax - Vmin) ; // Dz = Abs(Wmax - Wmin); | |
1581 | Dx += Margin * Dx; Dy += Margin * Dy; | |
1582 | Size = Sqrt(Dx*Dx + Dy*Dy + Dz*Dz); | |
1583 | if( Size > 0. ) { | |
1584 | SetZSize(Size) ; | |
1585 | SetDepth( Aspect * Size / 2.); | |
1586 | } | |
1587 | ||
1588 | ImmediateUpdate(); | |
1589 | } | |
1590 | ||
197ac94e | 1591 | //============================================================================= |
1592 | //function : WindowFitAll | |
1593 | //purpose : | |
1594 | //============================================================================= | |
1595 | void V3d_View::WindowFitAll(const Standard_Integer Xmin, | |
1596 | const Standard_Integer Ymin, | |
1597 | const Standard_Integer Xmax, | |
1598 | const Standard_Integer Ymax) | |
b8ddfc2f | 1599 | { |
7fd59977 | 1600 | WindowFit(Xmin,Ymin,Xmax,Ymax); |
7fd59977 | 1601 | } |
b8ddfc2f | 1602 | |
197ac94e | 1603 | //======================================================================= |
1604 | //function : WindowFit | |
1605 | //purpose : | |
1606 | //======================================================================= | |
1607 | void V3d_View::WindowFit (const Standard_Integer theMinXp, | |
1608 | const Standard_Integer theMinYp, | |
1609 | const Standard_Integer theMaxXp, | |
1610 | const Standard_Integer theMaxYp) | |
b8ddfc2f | 1611 | { |
197ac94e | 1612 | Standard_Boolean wasUpdateEnabled = SetImmediateUpdate (Standard_False); |
1613 | ||
c357e426 | 1614 | Handle(Graphic3d_Camera) aCamera = Camera(); |
1615 | ||
1616 | if (!aCamera->IsOrthographic()) | |
b5ac8292 | 1617 | { |
ab1c121b | 1618 | // normalize view coordinates |
b5ac8292 | 1619 | Standard_Integer aWinWidth, aWinHeight; |
1620 | MyWindow->Size (aWinWidth, aWinHeight); | |
7fd59977 | 1621 | |
b5ac8292 | 1622 | // z coordinate of camera center |
c357e426 | 1623 | Standard_Real aDepth = aCamera->Project (aCamera->Center()).Z(); |
b5ac8292 | 1624 | |
1625 | // camera projection coordinate are in NDC which are normalized [-1, 1] | |
197ac94e | 1626 | Standard_Real aUMin = (2.0 / aWinWidth) * theMinXp - 1.0; |
1627 | Standard_Real aUMax = (2.0 / aWinWidth) * theMaxXp - 1.0; | |
1628 | Standard_Real aVMin = (2.0 / aWinHeight) * theMinYp - 1.0; | |
1629 | Standard_Real aVMax = (2.0 / aWinHeight) * theMaxYp - 1.0; | |
b5ac8292 | 1630 | |
1631 | // compute camera panning | |
1632 | gp_Pnt aScreenCenter (0.0, 0.0, aDepth); | |
1633 | gp_Pnt aFitCenter ((aUMin + aUMax) * 0.5, (aVMin + aVMax) * 0.5, aDepth); | |
c357e426 | 1634 | gp_Pnt aPanTo = aCamera->ConvertProj2View (aFitCenter); |
1635 | gp_Pnt aPanFrom = aCamera->ConvertProj2View (aScreenCenter); | |
b5ac8292 | 1636 | gp_Vec aPanVec (aPanFrom, aPanTo); |
1637 | ||
b5ac8292 | 1638 | // compute section size |
1639 | gp_Pnt aFitTopRight (aUMax, aVMax, aDepth); | |
1640 | gp_Pnt aFitBotLeft (aUMin, aVMin, aDepth); | |
c357e426 | 1641 | gp_Pnt aViewBotLeft = aCamera->ConvertProj2View (aFitBotLeft); |
1642 | gp_Pnt aViewTopRight = aCamera->ConvertProj2View (aFitTopRight); | |
b5ac8292 | 1643 | |
1644 | Standard_Real aUSize = aViewTopRight.X() - aViewBotLeft.X(); | |
1645 | Standard_Real aVSize = aViewTopRight.Y() - aViewBotLeft.Y(); | |
1646 | ||
c357e426 | 1647 | Translate (aCamera, aPanVec.X(), -aPanVec.Y()); |
1648 | Scale (aCamera, aUSize, aVSize); | |
1649 | AutoZFit(); | |
b5ac8292 | 1650 | } |
1651 | else | |
1652 | { | |
197ac94e | 1653 | Standard_Real aX1, aY1, aX2, aY2; |
1654 | Convert (theMinXp, theMinYp, aX1, aY1); | |
1655 | Convert (theMaxXp, theMaxYp, aX2, aY2); | |
1656 | FitAll (aX1, aY1, aX2, aY2); | |
b5ac8292 | 1657 | } |
197ac94e | 1658 | |
1659 | SetImmediateUpdate (wasUpdateEnabled); | |
1660 | ||
1661 | ImmediateUpdate(); | |
7fd59977 | 1662 | } |
1663 | ||
197ac94e | 1664 | //======================================================================= |
1665 | //function : ConvertToGrid | |
1666 | //purpose : | |
1667 | //======================================================================= | |
1668 | void V3d_View::ConvertToGrid(const Standard_Integer Xp, | |
1669 | const Standard_Integer Yp, | |
1670 | Standard_Real& Xg, | |
1671 | Standard_Real& Yg, | |
1672 | Standard_Real& Zg) const | |
b5ac8292 | 1673 | { |
1674 | Graphic3d_Vertex aVrp; | |
1675 | Standard_Real anX, anY, aZ; | |
1676 | Convert (Xp, Yp, anX, anY, aZ); | |
1677 | aVrp.SetCoord (anX, anY, aZ); | |
1678 | ||
1679 | if( MyViewer->Grid()->IsActive() ) { | |
1680 | Graphic3d_Vertex aNewVrp = Compute (aVrp) ; | |
1681 | aNewVrp.Coord (Xg,Yg,Zg) ; | |
1682 | } else | |
1683 | aVrp.Coord (Xg,Yg,Zg) ; | |
1684 | } | |
1685 | ||
197ac94e | 1686 | //======================================================================= |
1687 | //function : ConvertToGrid | |
1688 | //purpose : | |
1689 | //======================================================================= | |
1690 | void V3d_View::ConvertToGrid(const Standard_Real X, | |
1691 | const Standard_Real Y, | |
1692 | const Standard_Real Z, | |
1693 | Standard_Real& Xg, | |
1694 | Standard_Real& Yg, | |
1695 | Standard_Real& Zg) const | |
b5ac8292 | 1696 | { |
1697 | if( MyViewer->Grid()->IsActive() ) { | |
1698 | Graphic3d_Vertex aVrp (X,Y,Z) ; | |
1699 | Graphic3d_Vertex aNewVrp = Compute (aVrp) ; | |
1700 | aNewVrp.Coord(Xg,Yg,Zg) ; | |
1701 | } else { | |
1702 | Xg = X; Yg = Y; Zg = Z; | |
1703 | } | |
1704 | } | |
1705 | ||
197ac94e | 1706 | //======================================================================= |
1707 | //function : Convert | |
1708 | //purpose : | |
1709 | //======================================================================= | |
b8ddfc2f | 1710 | Standard_Real V3d_View::Convert(const Standard_Integer Vp) const |
1711 | { | |
b5ac8292 | 1712 | Standard_Integer aDxw, aDyw ; |
7fd59977 | 1713 | |
c357e426 | 1714 | V3d_UnMapped_Raise_if (!myView->IsDefined(), "view has no window"); |
7fd59977 | 1715 | |
b5ac8292 | 1716 | MyWindow->Size (aDxw, aDyw); |
1717 | Standard_Real aValue; | |
197ac94e | 1718 | |
c357e426 | 1719 | gp_Pnt aViewDims = Camera()->ViewDimensions(); |
b5ac8292 | 1720 | aValue = aViewDims.X() * (Standard_Real)Vp / (Standard_Real)aDxw; |
7fd59977 | 1721 | |
b5ac8292 | 1722 | return aValue; |
7fd59977 | 1723 | } |
1724 | ||
197ac94e | 1725 | //======================================================================= |
1726 | //function : Convert | |
1727 | //purpose : | |
1728 | //======================================================================= | |
1729 | void V3d_View::Convert(const Standard_Integer Xp, | |
1730 | const Standard_Integer Yp, | |
1731 | Standard_Real& Xv, | |
1732 | Standard_Real& Yv) const | |
b8ddfc2f | 1733 | { |
b5ac8292 | 1734 | Standard_Integer aDxw, aDyw; |
7fd59977 | 1735 | |
c357e426 | 1736 | V3d_UnMapped_Raise_if (!myView->IsDefined(), "view has no window"); |
b5ac8292 | 1737 | |
1738 | MyWindow->Size (aDxw, aDyw); | |
1739 | ||
1740 | gp_Pnt aPoint (Xp * 2.0 / aDxw - 1.0, (aDyw - Yp) * 2.0 / aDyw - 1.0, 0.0); | |
c357e426 | 1741 | aPoint = Camera()->ConvertProj2View (aPoint); |
7fd59977 | 1742 | |
b5ac8292 | 1743 | Xv = aPoint.X(); |
1744 | Yv = aPoint.Y(); | |
7fd59977 | 1745 | } |
1746 | ||
197ac94e | 1747 | //======================================================================= |
1748 | //function : Convert | |
1749 | //purpose : | |
1750 | //======================================================================= | |
7fd59977 | 1751 | Standard_Integer V3d_View::Convert(const Standard_Real Vv) const |
1752 | { | |
c357e426 | 1753 | V3d_UnMapped_Raise_if (!myView->IsDefined(), "view has no window"); |
b5ac8292 | 1754 | |
1755 | Standard_Integer aDxw, aDyw; | |
1756 | MyWindow->Size (aDxw, aDyw); | |
7fd59977 | 1757 | |
c357e426 | 1758 | gp_Pnt aViewDims = Camera()->ViewDimensions(); |
b5ac8292 | 1759 | Standard_Integer aValue = RealToInt (aDxw * Vv / (aViewDims.X())); |
7fd59977 | 1760 | |
b5ac8292 | 1761 | return aValue; |
7fd59977 | 1762 | } |
1763 | ||
197ac94e | 1764 | //======================================================================= |
1765 | //function : Convert | |
1766 | //purpose : | |
1767 | //======================================================================= | |
1768 | void V3d_View::Convert(const Standard_Real Xv, | |
1769 | const Standard_Real Yv, | |
1770 | Standard_Integer& Xp, | |
1771 | Standard_Integer& Yp) const | |
7fd59977 | 1772 | { |
c357e426 | 1773 | V3d_UnMapped_Raise_if (!myView->IsDefined(), "view has no window"); |
7fd59977 | 1774 | |
b5ac8292 | 1775 | Standard_Integer aDxw, aDyw; |
1776 | MyWindow->Size (aDxw, aDyw); | |
7fd59977 | 1777 | |
b5ac8292 | 1778 | gp_Pnt aPoint (Xv, Yv, 0.0); |
c357e426 | 1779 | aPoint = Camera()->ConvertView2Proj (aPoint); |
b5ac8292 | 1780 | aPoint = gp_Pnt ((aPoint.X() + 1.0) * aDxw / 2.0, aDyw - (aPoint.Y() + 1.0) * aDyw / 2.0, 0.0); |
7fd59977 | 1781 | |
b5ac8292 | 1782 | Xp = RealToInt (aPoint.X()); |
1783 | Yp = RealToInt (aPoint.Y()); | |
7fd59977 | 1784 | } |
1785 | ||
197ac94e | 1786 | //======================================================================= |
1787 | //function : Convert | |
1788 | //purpose : | |
1789 | //======================================================================= | |
1790 | void V3d_View::Convert(const Standard_Integer Xp, | |
1791 | const Standard_Integer Yp, | |
1792 | Standard_Real& X, | |
1793 | Standard_Real& Y, | |
1794 | Standard_Real& Z) const | |
b8ddfc2f | 1795 | { |
c357e426 | 1796 | V3d_UnMapped_Raise_if (!myView->IsDefined(), "view has no window"); |
b5ac8292 | 1797 | Standard_Integer aHeight, aWidth; |
1798 | MyWindow->Size (aWidth, aHeight); | |
1799 | ||
1800 | Standard_Real anX = 2.0 * Xp / aWidth - 1.0; | |
1801 | Standard_Real anY = 2.0 * (aHeight - 1 - Yp) / aHeight - 1.0; | |
1802 | Standard_Real aZ = 2.0 * 0.0 - 1.0; | |
1803 | ||
c357e426 | 1804 | gp_Pnt aResult = Camera()->UnProject (gp_Pnt (anX, anY, aZ)); |
b5ac8292 | 1805 | |
1806 | X = aResult.X(); | |
1807 | Y = aResult.Y(); | |
1808 | Z = aResult.Z(); | |
7fd59977 | 1809 | } |
1810 | ||
197ac94e | 1811 | //======================================================================= |
1812 | //function : ConvertWithProj | |
1813 | //purpose : | |
1814 | //======================================================================= | |
1815 | void V3d_View::ConvertWithProj(const Standard_Integer Xp, | |
1816 | const Standard_Integer Yp, | |
1817 | Standard_Real& X, | |
1818 | Standard_Real& Y, | |
1819 | Standard_Real& Z, | |
1820 | Standard_Real& Dx, | |
1821 | Standard_Real& Dy, | |
1822 | Standard_Real& Dz) const | |
7fd59977 | 1823 | { |
c357e426 | 1824 | V3d_UnMapped_Raise_if (!myView->IsDefined(), "view has no window"); |
b5ac8292 | 1825 | Standard_Integer aHeight, aWidth; |
1826 | MyWindow->Size (aWidth, aHeight); | |
7fd59977 | 1827 | |
b5ac8292 | 1828 | Standard_Real anX = 2.0 * Xp / aWidth - 1.0; |
1829 | Standard_Real anY = 2.0 * (aHeight - 1 - Yp) / aHeight - 1.0; | |
1830 | Standard_Real aZ = 2.0 * 0.0 - 1.0; | |
7fd59977 | 1831 | |
c357e426 | 1832 | Handle(Graphic3d_Camera) aCamera = Camera(); |
1833 | ||
1834 | gp_Pnt aResult = aCamera->UnProject (gp_Pnt (anX, anY, aZ)); | |
b5ac8292 | 1835 | |
1836 | X = aResult.X(); | |
1837 | Y = aResult.Y(); | |
1838 | Z = aResult.Z(); | |
1839 | ||
1840 | Graphic3d_Vertex aVrp; | |
1841 | aVrp.SetCoord (X, Y, Z); | |
1842 | ||
c357e426 | 1843 | aResult = aCamera->UnProject (gp_Pnt (anX, anY, aZ - 10.0)); |
b5ac8292 | 1844 | |
3910bc65 | 1845 | Graphic3d_Vec3d aNormDir; |
1846 | aNormDir.x() = X - aResult.X(); | |
1847 | aNormDir.y() = Y - aResult.Y(); | |
1848 | aNormDir.z() = Z - aResult.Z(); | |
1849 | aNormDir.Normalize(); | |
1850 | ||
1851 | Dx = aNormDir.x(); | |
1852 | Dy = aNormDir.y(); | |
1853 | Dz = aNormDir.z(); | |
7fd59977 | 1854 | } |
7fd59977 | 1855 | |
197ac94e | 1856 | //======================================================================= |
1857 | //function : Convert | |
1858 | //purpose : | |
1859 | //======================================================================= | |
1860 | void V3d_View::Convert(const Standard_Real X, | |
1861 | const Standard_Real Y, | |
1862 | const Standard_Real Z, | |
1863 | Standard_Integer& Xp, | |
1864 | Standard_Integer& Yp) const | |
b8ddfc2f | 1865 | { |
c357e426 | 1866 | V3d_UnMapped_Raise_if (!myView->IsDefined(), "view has no window"); |
b5ac8292 | 1867 | Standard_Integer aHeight, aWidth; |
1868 | MyWindow->Size (aWidth, aHeight); | |
1869 | ||
c357e426 | 1870 | gp_Pnt aPoint = Camera()->Project (gp_Pnt (X, Y, Z)); |
b5ac8292 | 1871 | |
1872 | Xp = RealToInt ((aPoint.X() + 1) * 0.5 * aWidth); | |
72b11796 | 1873 | Yp = RealToInt (aHeight - 1 - (aPoint.Y() + 1) * 0.5 * aHeight); |
7fd59977 | 1874 | } |
1875 | ||
197ac94e | 1876 | //======================================================================= |
1877 | //function : Project | |
1878 | //purpose : | |
1879 | //======================================================================= | |
c357e426 | 1880 | void V3d_View::Project (const Standard_Real theX, |
1881 | const Standard_Real theY, | |
1882 | const Standard_Real theZ, | |
1883 | Standard_Real& theXp, | |
1884 | Standard_Real& theYp) const | |
7fd59977 | 1885 | { |
c357e426 | 1886 | Standard_Real aZp; |
1887 | Project (theX, theY, theZ, theXp, theYp, aZp); | |
1888 | } | |
1889 | ||
1890 | //======================================================================= | |
1891 | //function : Project | |
1892 | //purpose : | |
1893 | //======================================================================= | |
1894 | void V3d_View::Project (const Standard_Real theX, | |
1895 | const Standard_Real theY, | |
1896 | const Standard_Real theZ, | |
1897 | Standard_Real& theXp, | |
1898 | Standard_Real& theYp, | |
1899 | Standard_Real& theZp) const | |
1900 | { | |
1901 | Handle(Graphic3d_Camera) aCamera = Camera(); | |
1902 | ||
1903 | gp_XYZ aViewSpaceDimensions = aCamera->ViewDimensions(); | |
1904 | Standard_Real aXSize = aViewSpaceDimensions.X(); | |
1905 | Standard_Real aYSize = aViewSpaceDimensions.Y(); | |
1906 | Standard_Real aZSize = aViewSpaceDimensions.Z(); | |
1907 | ||
1908 | gp_Pnt aPoint = aCamera->Project (gp_Pnt (theX, theY, theZ)); | |
1909 | ||
1910 | // NDC [-1, 1] --> PROJ [ -size / 2, +size / 2 ] | |
1911 | theXp = aPoint.X() * aXSize * 0.5; | |
1912 | theYp = aPoint.Y() * aYSize * 0.5; | |
1913 | theZp = aPoint.Z() * aZSize * 0.5; | |
7fd59977 | 1914 | } |
1915 | ||
197ac94e | 1916 | //======================================================================= |
1917 | //function : BackgroundColor | |
1918 | //purpose : | |
1919 | //======================================================================= | |
1920 | void V3d_View::BackgroundColor(const Quantity_TypeOfColor Type, | |
1921 | Standard_Real& V1, | |
1922 | Standard_Real& V2, | |
1923 | Standard_Real& V3) const | |
b8ddfc2f | 1924 | { |
7fd59977 | 1925 | Quantity_Color C = BackgroundColor() ; |
7fd59977 | 1926 | C.Values(V1,V2,V3,Type) ; |
1927 | } | |
1928 | ||
197ac94e | 1929 | //======================================================================= |
1930 | //function : BackgroundColor | |
1931 | //purpose : | |
1932 | //======================================================================= | |
b8ddfc2f | 1933 | Quantity_Color V3d_View::BackgroundColor() const |
1934 | { | |
c357e426 | 1935 | return myView->Background().Color() ; |
7fd59977 | 1936 | } |
7fd59977 | 1937 | |
197ac94e | 1938 | //======================================================================= |
1939 | //function : GradientBackgroundColors | |
1940 | //purpose : | |
1941 | //======================================================================= | |
c357e426 | 1942 | void V3d_View::GradientBackgroundColors (Quantity_Color& theColor1, Quantity_Color& theColor2) const |
b8ddfc2f | 1943 | { |
c357e426 | 1944 | myView->GradientBackground().Colors (theColor1, theColor2); |
7fd59977 | 1945 | } |
1946 | ||
197ac94e | 1947 | //======================================================================= |
1948 | //function : GradientBackground | |
1949 | //purpose : | |
1950 | //======================================================================= | |
b8ddfc2f | 1951 | Aspect_GradientBackground V3d_View::GradientBackground() const |
1952 | { | |
c357e426 | 1953 | return myView->GradientBackground(); |
7fd59977 | 1954 | } |
1955 | ||
197ac94e | 1956 | //======================================================================= |
1957 | //function : Scale | |
1958 | //purpose : | |
1959 | //======================================================================= | |
b8ddfc2f | 1960 | Standard_Real V3d_View::Scale() const |
1961 | { | |
c357e426 | 1962 | return myDefaultCamera->Scale() / Camera()->Scale(); |
7fd59977 | 1963 | } |
1964 | ||
197ac94e | 1965 | //======================================================================= |
1966 | //function : AxialScale | |
1967 | //purpose : | |
1968 | //======================================================================= | |
b8ddfc2f | 1969 | void V3d_View::AxialScale(Standard_Real& Sx, Standard_Real& Sy, Standard_Real& Sz) const |
1970 | { | |
c357e426 | 1971 | gp_Pnt anAxialScale = Camera()->AxialScale(); |
b5ac8292 | 1972 | Sx = anAxialScale.X(); |
1973 | Sy = anAxialScale.Y(); | |
1974 | Sz = anAxialScale.Z(); | |
7fd59977 | 1975 | } |
1976 | ||
197ac94e | 1977 | //======================================================================= |
1978 | //function : Size | |
1979 | //purpose : | |
1980 | //======================================================================= | |
b8ddfc2f | 1981 | void V3d_View::Size(Standard_Real& Width, Standard_Real& Height) const |
1982 | { | |
c357e426 | 1983 | gp_Pnt aViewDims = Camera()->ViewDimensions(); |
7fd59977 | 1984 | |
b5ac8292 | 1985 | Width = aViewDims.X(); |
1986 | Height = aViewDims.Y(); | |
7fd59977 | 1987 | } |
1988 | ||
197ac94e | 1989 | //======================================================================= |
1990 | //function : ZSize | |
1991 | //purpose : | |
1992 | //======================================================================= | |
b8ddfc2f | 1993 | Standard_Real V3d_View::ZSize() const |
1994 | { | |
c357e426 | 1995 | gp_Pnt aViewDims = Camera()->ViewDimensions(); |
7fd59977 | 1996 | |
b5ac8292 | 1997 | return aViewDims.Z(); |
7fd59977 | 1998 | } |
1999 | ||
197ac94e | 2000 | //======================================================================= |
2001 | //function : MinMax | |
2002 | //purpose : | |
2003 | //======================================================================= | |
2004 | Standard_Integer V3d_View::MinMax(Standard_Real& Umin, | |
2005 | Standard_Real& Vmin, | |
2006 | Standard_Real& Umax, | |
2007 | Standard_Real& Vmax) const | |
b8ddfc2f | 2008 | { |
7fd59977 | 2009 | Standard_Real Wmin,Wmax,U,V,W ; |
2010 | Standard_Real Xmin,Ymin,Zmin,Xmax,Ymax,Zmax ; | |
2011 | // CAL 6/11/98 | |
c357e426 | 2012 | Standard_Integer Nstruct = myView->NumberOfDisplayedStructures() ; |
7fd59977 | 2013 | |
2014 | if( Nstruct ) { | |
c357e426 | 2015 | Bnd_Box aBox = myView->MinMaxValues(); |
ed063270 | 2016 | aBox.Get (Xmin,Ymin,Zmin,Xmax,Ymax,Zmax); |
c357e426 | 2017 | Project (Xmin,Ymin,Zmin,Umin,Vmin,Wmin) ; |
2018 | Project (Xmax,Ymax,Zmax,Umax,Vmax,Wmax) ; | |
2019 | Project (Xmin,Ymin,Zmax,U,V,W) ; | |
7fd59977 | 2020 | Umin = Min(U,Umin) ; Umax = Max(U,Umax) ; |
2021 | Vmin = Min(V,Vmin) ; Vmax = Max(V,Vmax) ; | |
2022 | Wmin = Min(W,Wmin) ; Wmax = Max(W,Wmax) ; | |
c357e426 | 2023 | Project (Xmax,Ymin,Zmax,U,V,W) ; |
7fd59977 | 2024 | Umin = Min(U,Umin) ; Umax = Max(U,Umax) ; |
2025 | Vmin = Min(V,Vmin) ; Vmax = Max(V,Vmax) ; | |
2026 | Wmin = Min(W,Wmin) ; Wmax = Max(W,Wmax) ; | |
c357e426 | 2027 | Project (Xmax,Ymin,Zmin,U,V,W) ; |
7fd59977 | 2028 | Umin = Min(U,Umin) ; Umax = Max(U,Umax) ; |
2029 | Vmin = Min(V,Vmin) ; Vmax = Max(V,Vmax) ; | |
2030 | Wmin = Min(W,Wmin) ; Wmax = Max(W,Wmax) ; | |
c357e426 | 2031 | Project (Xmax,Ymax,Zmin,U,V,W) ; |
7fd59977 | 2032 | Umin = Min(U,Umin) ; Umax = Max(U,Umax) ; |
2033 | Vmin = Min(V,Vmin) ; Vmax = Max(V,Vmax) ; | |
2034 | Wmin = Min(W,Wmin) ; Wmax = Max(W,Wmax) ; | |
c357e426 | 2035 | Project (Xmin,Ymax,Zmax,U,V,W) ; |
7fd59977 | 2036 | Umin = Min(U,Umin) ; Umax = Max(U,Umax) ; |
2037 | Vmin = Min(V,Vmin) ; Vmax = Max(V,Vmax) ; | |
2038 | Wmin = Min(W,Wmin) ; Wmax = Max(W,Wmax) ; | |
c357e426 | 2039 | Project (Xmin,Ymax,Zmin,U,V,W) ; |
7fd59977 | 2040 | Umin = Min(U,Umin) ; Umax = Max(U,Umax) ; |
2041 | Vmin = Min(V,Vmin) ; Vmax = Max(V,Vmax) ; | |
2042 | Wmin = Min(W,Wmin) ; Wmax = Max(W,Wmax) ; | |
2043 | } | |
2044 | return Nstruct ; | |
2045 | } | |
2046 | ||
197ac94e | 2047 | //======================================================================= |
2048 | //function : MinMax | |
2049 | //purpose : | |
2050 | //======================================================================= | |
2051 | Standard_Integer V3d_View::MinMax(Standard_Real& Xmin, | |
2052 | Standard_Real& Ymin, | |
2053 | Standard_Real& Zmin, | |
2054 | Standard_Real& Xmax, | |
2055 | Standard_Real& Ymax, | |
2056 | Standard_Real& Zmax) const | |
b8ddfc2f | 2057 | { |
7fd59977 | 2058 | // CAL 6/11/98 |
2059 | // Standard_Integer Nstruct = (MyView->DisplayedStructures())->Extent() ; | |
c357e426 | 2060 | Standard_Integer Nstruct = myView->NumberOfDisplayedStructures() ; |
7fd59977 | 2061 | |
2062 | if( Nstruct ) { | |
c357e426 | 2063 | Bnd_Box aBox = myView->MinMaxValues(); |
ed063270 | 2064 | aBox.Get (Xmin,Ymin,Zmin,Xmax,Ymax,Zmax); |
7fd59977 | 2065 | } |
2066 | return Nstruct ; | |
2067 | } | |
2068 | ||
197ac94e | 2069 | //======================================================================= |
2070 | //function : Gravity | |
2071 | //purpose : | |
2072 | //======================================================================= | |
4af098ba | 2073 | void V3d_View::Gravity (Standard_Real& theX, |
2074 | Standard_Real& theY, | |
2075 | Standard_Real& theZ) const | |
b8ddfc2f | 2076 | { |
4af098ba | 2077 | Graphic3d_MapOfStructure aSetOfStructures; |
c357e426 | 2078 | myView->DisplayedStructures (aSetOfStructures); |
4af098ba | 2079 | |
2080 | Standard_Boolean hasSelection = Standard_False; | |
2081 | for (Graphic3d_MapIteratorOfMapOfStructure aStructIter (aSetOfStructures); | |
2082 | aStructIter.More(); aStructIter.Next()) | |
2083 | { | |
2084 | if (aStructIter.Key()->IsHighlighted() | |
2085 | && aStructIter.Key()->IsVisible()) | |
2086 | { | |
2087 | hasSelection = Standard_True; | |
2088 | break; | |
2089 | } | |
2090 | } | |
7fd59977 | 2091 | |
4af098ba | 2092 | Standard_Real Xmin, Ymin, Zmin, Xmax, Ymax, Zmax; |
2093 | Standard_Integer aNbPoints = 0; | |
2094 | gp_XYZ aResult (0.0, 0.0, 0.0); | |
2095 | for (Graphic3d_MapIteratorOfMapOfStructure aStructIter (aSetOfStructures); | |
2096 | aStructIter.More(); aStructIter.Next()) | |
2097 | { | |
2098 | const Handle(Graphic3d_Structure)& aStruct = aStructIter.Key(); | |
2099 | if (!aStruct->IsVisible() | |
770fa4d4 | 2100 | || aStruct->IsInfinite() |
2101 | || (hasSelection && !aStruct->IsHighlighted())) | |
4af098ba | 2102 | { |
2103 | continue; | |
2104 | } | |
2105 | ||
7c3ef2f7 | 2106 | const Graphic3d_BndBox3d& aBox = aStruct->CStructure()->BoundingBox(); |
770fa4d4 | 2107 | if (!aBox.IsValid()) |
2108 | { | |
2109 | continue; | |
2110 | } | |
2111 | ||
2112 | // skip transformation-persistent objects | |
778cd667 | 2113 | if (!aStruct->TransformPersistence().IsNull()) |
4af098ba | 2114 | { |
2115 | continue; | |
2116 | } | |
2117 | ||
2118 | // use camera projection to find gravity point | |
7c3ef2f7 | 2119 | Xmin = aBox.CornerMin().x(); |
2120 | Ymin = aBox.CornerMin().y(); | |
2121 | Zmin = aBox.CornerMin().z(); | |
2122 | Xmax = aBox.CornerMax().x(); | |
2123 | Ymax = aBox.CornerMax().y(); | |
2124 | Zmax = aBox.CornerMax().z(); | |
4af098ba | 2125 | gp_Pnt aPnts[THE_NB_BOUND_POINTS] = |
2126 | { | |
2127 | gp_Pnt (Xmin, Ymin, Zmin), gp_Pnt (Xmin, Ymin, Zmax), | |
2128 | gp_Pnt (Xmin, Ymax, Zmin), gp_Pnt (Xmin, Ymax, Zmax), | |
2129 | gp_Pnt (Xmax, Ymin, Zmin), gp_Pnt (Xmax, Ymin, Zmax), | |
2130 | gp_Pnt (Xmax, Ymax, Zmin), gp_Pnt (Xmax, Ymax, Zmax) | |
2131 | }; | |
7fd59977 | 2132 | |
4af098ba | 2133 | for (Standard_Integer aPntIt = 0; aPntIt < THE_NB_BOUND_POINTS; ++aPntIt) |
2134 | { | |
2135 | const gp_Pnt& aBndPnt = aPnts[aPntIt]; | |
c357e426 | 2136 | const gp_Pnt aProjected = Camera()->Project (aBndPnt); |
4af098ba | 2137 | if (Abs (aProjected.X()) <= 1.0 |
2138 | && Abs (aProjected.Y()) <= 1.0) | |
2139 | { | |
2140 | aResult += aBndPnt.XYZ(); | |
2141 | ++aNbPoints; | |
2142 | } | |
2143 | } | |
2144 | } | |
7fd59977 | 2145 | |
4af098ba | 2146 | if (aNbPoints == 0) |
b5ac8292 | 2147 | { |
770fa4d4 | 2148 | // fallback - just use bounding box of entire scene |
3fe9ce0e | 2149 | Bnd_Box aBox = myView->MinMaxValues(); |
770fa4d4 | 2150 | if (!aBox.IsVoid()) |
b5ac8292 | 2151 | { |
4af098ba | 2152 | aBox.Get (Xmin, Ymin, Zmin, |
2153 | Xmax, Ymax, Zmax); | |
2154 | gp_Pnt aPnts[THE_NB_BOUND_POINTS] = | |
2155 | { | |
b5ac8292 | 2156 | gp_Pnt (Xmin, Ymin, Zmin), gp_Pnt (Xmin, Ymin, Zmax), |
2157 | gp_Pnt (Xmin, Ymax, Zmin), gp_Pnt (Xmin, Ymax, Zmax), | |
2158 | gp_Pnt (Xmax, Ymin, Zmin), gp_Pnt (Xmax, Ymin, Zmax), | |
4af098ba | 2159 | gp_Pnt (Xmax, Ymax, Zmin), gp_Pnt (Xmax, Ymax, Zmax) |
2160 | }; | |
b5ac8292 | 2161 | |
4af098ba | 2162 | for (Standard_Integer aPntIt = 0; aPntIt < THE_NB_BOUND_POINTS; ++aPntIt) |
b5ac8292 | 2163 | { |
2164 | const gp_Pnt& aBndPnt = aPnts[aPntIt]; | |
4af098ba | 2165 | aResult += aBndPnt.XYZ(); |
2166 | ++aNbPoints; | |
b5ac8292 | 2167 | } |
7fd59977 | 2168 | } |
2169 | } | |
7fd59977 | 2170 | |
4af098ba | 2171 | if (aNbPoints > 0) |
2172 | { | |
2173 | aResult /= aNbPoints; | |
2174 | } | |
2175 | theX = aResult.X(); | |
2176 | theY = aResult.Y(); | |
2177 | theZ = aResult.Z(); | |
7fd59977 | 2178 | } |
2179 | ||
197ac94e | 2180 | //======================================================================= |
2181 | //function : Eye | |
2182 | //purpose : | |
2183 | //======================================================================= | |
b8ddfc2f | 2184 | void V3d_View::Eye(Standard_Real& X, Standard_Real& Y, Standard_Real& Z) const |
2185 | { | |
c357e426 | 2186 | gp_Pnt aCameraEye = Camera()->Eye(); |
b5ac8292 | 2187 | X = aCameraEye.X(); |
2188 | Y = aCameraEye.Y(); | |
2189 | Z = aCameraEye.Z(); | |
7fd59977 | 2190 | } |
2191 | ||
197ac94e | 2192 | //============================================================================= |
2193 | //function : FocalReferencePoint | |
2194 | //purpose : | |
2195 | //============================================================================= | |
b8ddfc2f | 2196 | void V3d_View::FocalReferencePoint(Standard_Real& X, Standard_Real& Y,Standard_Real& Z) const |
2197 | { | |
b5ac8292 | 2198 | Eye (X,Y,Z); |
7fd59977 | 2199 | } |
2200 | ||
197ac94e | 2201 | //============================================================================= |
2202 | //function : ProjReferenceAxe | |
2203 | //purpose : | |
2204 | //============================================================================= | |
2205 | void V3d_View::ProjReferenceAxe(const Standard_Integer Xpix, | |
2206 | const Standard_Integer Ypix, | |
2207 | Standard_Real& XP, | |
2208 | Standard_Real& YP, | |
2209 | Standard_Real& ZP, | |
2210 | Standard_Real& VX, | |
2211 | Standard_Real& VY, | |
2212 | Standard_Real& VZ) const | |
b8ddfc2f | 2213 | { |
7fd59977 | 2214 | Standard_Real Xo,Yo,Zo; |
2215 | ||
b5ac8292 | 2216 | Convert (Xpix, Ypix, XP, YP, ZP); |
2217 | if ( Type() == V3d_PERSPECTIVE ) | |
2218 | { | |
2219 | FocalReferencePoint (Xo,Yo,Zo); | |
7fd59977 | 2220 | VX = Xo - XP; |
2221 | VY = Yo - YP; | |
2222 | VZ = Zo - ZP; | |
2223 | } | |
b5ac8292 | 2224 | else |
2225 | { | |
2226 | Proj (VX,VY,VZ); | |
7fd59977 | 2227 | } |
2228 | } | |
2229 | ||
197ac94e | 2230 | //============================================================================= |
2231 | //function : Depth | |
2232 | //purpose : | |
2233 | //============================================================================= | |
b8ddfc2f | 2234 | Standard_Real V3d_View::Depth() const |
2235 | { | |
c357e426 | 2236 | return Camera()->Distance(); |
7fd59977 | 2237 | } |
2238 | ||
197ac94e | 2239 | //============================================================================= |
2240 | //function : Proj | |
2241 | //purpose : | |
2242 | //============================================================================= | |
b8ddfc2f | 2243 | void V3d_View::Proj(Standard_Real& Dx, Standard_Real& Dy, Standard_Real& Dz) const |
2244 | { | |
c357e426 | 2245 | gp_Dir aCameraDir = Camera()->Direction().Reversed(); |
b5ac8292 | 2246 | Dx = aCameraDir.X(); |
2247 | Dy = aCameraDir.Y(); | |
2248 | Dz = aCameraDir.Z(); | |
7fd59977 | 2249 | } |
2250 | ||
197ac94e | 2251 | //============================================================================= |
2252 | //function : At | |
2253 | //purpose : | |
2254 | //============================================================================= | |
b8ddfc2f | 2255 | void V3d_View::At(Standard_Real& X, Standard_Real& Y, Standard_Real& Z) const |
2256 | { | |
c357e426 | 2257 | gp_Pnt aCameraCenter = Camera()->Center(); |
b5ac8292 | 2258 | X = aCameraCenter.X(); |
2259 | Y = aCameraCenter.Y(); | |
2260 | Z = aCameraCenter.Z(); | |
7fd59977 | 2261 | } |
2262 | ||
197ac94e | 2263 | //============================================================================= |
2264 | //function : Up | |
2265 | //purpose : | |
2266 | //============================================================================= | |
b8ddfc2f | 2267 | void V3d_View::Up(Standard_Real& Vx, Standard_Real& Vy, Standard_Real& Vz) const |
2268 | { | |
c357e426 | 2269 | gp_Dir aCameraUp = Camera()->Up(); |
b5ac8292 | 2270 | Vx = aCameraUp.X(); |
2271 | Vy = aCameraUp.Y(); | |
2272 | Vz = aCameraUp.Z(); | |
7fd59977 | 2273 | } |
2274 | ||
197ac94e | 2275 | //============================================================================= |
2276 | //function : Twist | |
2277 | //purpose : | |
2278 | //============================================================================= | |
b8ddfc2f | 2279 | Standard_Real V3d_View::Twist() const |
2280 | { | |
7fd59977 | 2281 | Standard_Real Xup,Yup,Zup,Xpn,Ypn,Zpn,X0,Y0,Z0 ; |
2282 | Standard_Real pvx,pvy,pvz,pvn,sca,angle ; | |
b5ac8292 | 2283 | Graphic3d_Vector Xaxis,Yaxis,Zaxis ; |
7fd59977 | 2284 | Standard_Boolean TheStatus ; |
2285 | ||
c357e426 | 2286 | gp_Dir aReferencePlane (Camera()->Direction().Reversed()); |
b5ac8292 | 2287 | gp_Dir anUp; |
2288 | ||
2289 | Proj(Xpn,Ypn,Zpn); | |
2290 | anUp = gp_Dir (0.,0.,1.) ; | |
2291 | TheStatus = ScreenAxis (aReferencePlane, anUp,Xaxis,Yaxis,Zaxis) ; | |
7fd59977 | 2292 | if( !TheStatus ) { |
b5ac8292 | 2293 | anUp = gp_Dir (0.,1.,0.) ; |
2294 | TheStatus = ScreenAxis (aReferencePlane, anUp,Xaxis,Yaxis,Zaxis) ; | |
7fd59977 | 2295 | } |
2296 | if( !TheStatus ) { | |
b5ac8292 | 2297 | anUp = gp_Dir (1.,0.,0.) ; |
2298 | TheStatus = ScreenAxis (aReferencePlane, anUp,Xaxis,Yaxis,Zaxis) ; | |
7fd59977 | 2299 | } |
2300 | Yaxis.Coord(X0,Y0,Z0) ; | |
b5ac8292 | 2301 | |
2302 | Up(Xup,Yup,Zup) ; | |
7fd59977 | 2303 | /* Compute Cross Vector From Up & Origin */ |
2304 | pvx = Y0*Zup - Z0*Yup ; | |
2305 | pvy = Z0*Xup - X0*Zup ; | |
2306 | pvz = X0*Yup - Y0*Xup ; | |
2307 | pvn = pvx*pvx + pvy*pvy + pvz*pvz ; | |
2308 | sca = X0*Xup + Y0*Yup + Z0*Zup ; | |
2309 | /* Compute Angle */ | |
2310 | angle = Sqrt(pvn) ; | |
2311 | if( angle > 1. ) angle = 1. ; | |
2312 | else if( angle < -1. ) angle = -1. ; | |
2313 | angle = asin(angle) ; | |
c6541a0c D |
2314 | if( sca < 0. ) angle = M_PI - angle ; |
2315 | if( angle > 0. && angle < M_PI ) { | |
7fd59977 | 2316 | sca = pvx*Xpn + pvy*Ypn + pvz*Zpn ; |
2317 | if( sca < 0. ) angle = DEUXPI - angle ; | |
2318 | } | |
2319 | return angle ; | |
2320 | } | |
2321 | ||
197ac94e | 2322 | //============================================================================= |
2323 | //function : ShadingModel | |
2324 | //purpose : | |
2325 | //============================================================================= | |
b8ddfc2f | 2326 | V3d_TypeOfShadingModel V3d_View::ShadingModel() const |
2327 | { | |
c357e426 | 2328 | return static_cast<V3d_TypeOfShadingModel> (myView->ShadingModel()); |
7fd59977 | 2329 | } |
2330 | ||
197ac94e | 2331 | //============================================================================= |
2332 | //function : TextureEnv | |
2333 | //purpose : | |
2334 | //============================================================================= | |
857ffd5e | 2335 | Handle(Graphic3d_TextureEnv) V3d_View::TextureEnv() const |
b8ddfc2f | 2336 | { |
c357e426 | 2337 | return myView->TextureEnv(); |
7fd59977 | 2338 | } |
2339 | ||
197ac94e | 2340 | //============================================================================= |
2341 | //function : Visualization | |
2342 | //purpose : | |
2343 | //============================================================================= | |
b8ddfc2f | 2344 | V3d_TypeOfVisualization V3d_View::Visualization() const |
2345 | { | |
c357e426 | 2346 | return static_cast<V3d_TypeOfVisualization> (myView->VisualizationType()); |
7fd59977 | 2347 | } |
2348 | ||
197ac94e | 2349 | //============================================================================= |
2350 | //function : Viewer | |
2351 | //purpose : | |
2352 | //============================================================================= | |
b8ddfc2f | 2353 | Handle(V3d_Viewer) V3d_View::Viewer() const |
2354 | { | |
c357e426 | 2355 | return MyViewer; |
7fd59977 | 2356 | } |
2357 | ||
197ac94e | 2358 | //============================================================================= |
2359 | //function : IfWindow | |
2360 | //purpose : | |
2361 | //============================================================================= | |
b8ddfc2f | 2362 | Standard_Boolean V3d_View::IfWindow() const |
2363 | { | |
c357e426 | 2364 | return myView->IsDefined(); |
7fd59977 | 2365 | } |
2366 | ||
197ac94e | 2367 | //============================================================================= |
2368 | //function : Window | |
2369 | //purpose : | |
2370 | //============================================================================= | |
b8ddfc2f | 2371 | Handle(Aspect_Window) V3d_View::Window() const |
2372 | { | |
7fd59977 | 2373 | return MyWindow; |
2374 | } | |
2375 | ||
197ac94e | 2376 | //============================================================================= |
2377 | //function : Type | |
2378 | //purpose : | |
2379 | //============================================================================= | |
b8ddfc2f | 2380 | V3d_TypeOfView V3d_View::Type() const |
2381 | { | |
c357e426 | 2382 | return Camera()->IsOrthographic() ? V3d_ORTHOGRAPHIC : V3d_PERSPECTIVE; |
7fd59977 | 2383 | } |
2384 | ||
197ac94e | 2385 | //============================================================================= |
2386 | //function : SetFocale | |
2387 | //purpose : | |
2388 | //============================================================================= | |
b8ddfc2f | 2389 | void V3d_View::SetFocale( const Standard_Real focale ) |
2390 | { | |
c357e426 | 2391 | Handle(Graphic3d_Camera) aCamera = Camera(); |
2392 | ||
2393 | if (aCamera->IsOrthographic()) | |
b5ac8292 | 2394 | { |
2395 | return; | |
7fd59977 | 2396 | } |
b5ac8292 | 2397 | |
c357e426 | 2398 | Standard_Real aFOVyRad = ATan (focale / (aCamera->Distance() * 2.0)); |
b5ac8292 | 2399 | |
c357e426 | 2400 | aCamera->SetFOVy (aFOVyRad * (360 / M_PI)); |
7fd59977 | 2401 | |
2402 | ImmediateUpdate(); | |
2403 | } | |
2404 | ||
197ac94e | 2405 | //============================================================================= |
2406 | //function : Focale | |
2407 | //purpose : | |
2408 | //============================================================================= | |
b5ac8292 | 2409 | Standard_Real V3d_View::Focale() const |
b8ddfc2f | 2410 | { |
c357e426 | 2411 | Handle(Graphic3d_Camera) aCamera = Camera(); |
2412 | ||
2413 | if (aCamera->IsOrthographic()) | |
b5ac8292 | 2414 | { |
2415 | return 0.0; | |
7fd59977 | 2416 | } |
b5ac8292 | 2417 | |
c357e426 | 2418 | return aCamera->Distance() * 2.0 * Tan (aCamera->FOVy() * M_PI / 360.0); |
7fd59977 | 2419 | } |
2420 | ||
197ac94e | 2421 | //============================================================================= |
2422 | //function : View | |
2423 | //purpose : | |
2424 | //============================================================================= | |
c357e426 | 2425 | Handle(Graphic3d_CView) V3d_View::View() const |
7fd59977 | 2426 | { |
c357e426 | 2427 | return myView; |
7fd59977 | 2428 | } |
2429 | ||
197ac94e | 2430 | //============================================================================= |
2431 | //function : ScreenAxis | |
2432 | //purpose : | |
2433 | //============================================================================= | |
b5ac8292 | 2434 | Standard_Boolean V3d_View::ScreenAxis( const gp_Dir &Vpn, const gp_Dir &Vup, Graphic3d_Vector &Xaxe, Graphic3d_Vector &Yaxe, Graphic3d_Vector &Zaxe) |
2435 | { | |
2436 | Standard_Real Xpn, Ypn, Zpn, Xup, Yup, Zup; | |
2437 | Standard_Real dx1, dy1, dz1, xx, yy, zz; | |
2438 | ||
2439 | Xpn = Vpn.X(); Ypn = Vpn.Y(); Zpn = Vpn.Z(); | |
2440 | Xup = Vup.X(); Yup = Vup.Y(); Zup = Vup.Z(); | |
2441 | xx = Yup*Zpn - Zup*Ypn; | |
2442 | yy = Zup*Xpn - Xup*Zpn; | |
2443 | zz = Xup*Ypn - Yup*Xpn; | |
2444 | Xaxe.SetCoord (xx, yy, zz); | |
2445 | if (Xaxe.LengthZero()) return Standard_False; | |
2446 | Xaxe.Normalize(); | |
2447 | Xaxe.Coord(dx1, dy1, dz1); | |
2448 | xx = Ypn*dz1 - Zpn*dy1; | |
2449 | yy = Zpn*dx1 - Xpn*dz1; | |
2450 | zz = Xpn*dy1 - Ypn*dx1; | |
2451 | Yaxe.SetCoord (xx, yy, zz) ; | |
2452 | if (Yaxe.LengthZero()) return Standard_False; | |
2453 | Yaxe.Normalize(); | |
2454 | ||
2455 | Zaxe.SetCoord (Xpn, Ypn, Zpn); | |
2456 | Zaxe.Normalize(); | |
7fd59977 | 2457 | return Standard_True; |
2458 | } | |
2459 | ||
197ac94e | 2460 | //============================================================================= |
2461 | //function : TrsPoint | |
2462 | //purpose : | |
2463 | //============================================================================= | |
b8ddfc2f | 2464 | Graphic3d_Vertex V3d_View::TrsPoint( const Graphic3d_Vertex &P, const TColStd_Array2OfReal &Matrix ) |
2465 | { | |
7fd59977 | 2466 | Graphic3d_Vertex PP ; |
2467 | Standard_Real X,Y,Z,XX,YY,ZZ ; | |
2468 | ||
2469 | // CAL. S3892 | |
2470 | Standard_Integer lr, ur, lc, uc; | |
2471 | lr = Matrix.LowerRow (); | |
2472 | ur = Matrix.UpperRow (); | |
2473 | lc = Matrix.LowerCol (); | |
2474 | uc = Matrix.UpperCol (); | |
b5ac8292 | 2475 | if ((ur - lr + 1 != 4) || (uc - lc + 1 != 4) ) { |
7fd59977 | 2476 | P.Coord(X,Y,Z) ; |
2477 | PP.SetCoord(X,Y,Z) ; | |
2478 | return PP ; | |
2479 | } | |
2480 | P.Coord(X,Y,Z) ; | |
2481 | XX = (Matrix(lr,lc+3) + X*Matrix(lr,lc) + Y*Matrix(lr,lc+1)+ | |
2482 | Z*Matrix(lr,lc+2))/Matrix(lr+3,lc+3) ; | |
2483 | ||
2484 | YY = (Matrix(lr+1,lc+3) + X*Matrix(lr+1,lc) + Y*Matrix(lr+1,lc+1) + | |
2485 | Z*Matrix(lr+1,lc+2))/Matrix(lr+3,lc+3) ; | |
2486 | ||
2487 | ZZ = (Matrix(lr+2,lc+3) + X*Matrix(lr+2,lc) + Y*Matrix(lr+2,lc+1) + | |
2488 | Z*Matrix(lr+2,lc+2))/Matrix(lr+3,lc+3) ; | |
2489 | PP.SetCoord(XX,YY,ZZ) ; | |
2490 | return PP ; | |
2491 | } | |
2492 | ||
197ac94e | 2493 | //======================================================================= |
2494 | //function : Pan | |
2495 | //purpose : | |
2496 | //======================================================================= | |
2497 | void V3d_View::Pan (const Standard_Integer theDXp, | |
2498 | const Standard_Integer theDYp, | |
2499 | const Quantity_Factor theZoomFactor, | |
2500 | const Standard_Boolean theToStart) | |
b8ddfc2f | 2501 | { |
197ac94e | 2502 | Panning (Convert (theDXp), Convert (theDYp), theZoomFactor, theToStart); |
7fd59977 | 2503 | } |
2504 | ||
197ac94e | 2505 | //======================================================================= |
2506 | //function : Panning | |
2507 | //purpose : | |
2508 | //======================================================================= | |
2509 | void V3d_View::Panning (const Standard_Real theDXv, | |
2510 | const Standard_Real theDYv, | |
2511 | const Quantity_Factor theZoomFactor, | |
2512 | const Standard_Boolean theToStart) | |
7fd59977 | 2513 | { |
197ac94e | 2514 | Standard_ASSERT_RAISE (theZoomFactor > 0.0, "Bad zoom factor"); |
7fd59977 | 2515 | |
c357e426 | 2516 | Handle(Graphic3d_Camera) aCamera = Camera(); |
2517 | ||
197ac94e | 2518 | if (theToStart) |
2519 | { | |
c357e426 | 2520 | myCamStartOpEye = aCamera->Eye(); |
2521 | myCamStartOpCenter = aCamera->Center(); | |
7fd59977 | 2522 | } |
197ac94e | 2523 | |
2524 | Standard_Boolean wasUpdateEnabled = SetImmediateUpdate (Standard_False); | |
2525 | ||
c357e426 | 2526 | gp_Pnt aViewDims = aCamera->ViewDimensions(); |
197ac94e | 2527 | |
c357e426 | 2528 | aCamera->SetEye (myCamStartOpEye); |
2529 | aCamera->SetCenter (myCamStartOpCenter); | |
2530 | Translate (aCamera, -theDXv, -theDYv); | |
2531 | Scale (aCamera, aViewDims.X() / theZoomFactor, aViewDims.Y() / theZoomFactor); | |
197ac94e | 2532 | |
2533 | SetImmediateUpdate (wasUpdateEnabled); | |
2534 | ||
2535 | ImmediateUpdate(); | |
7fd59977 | 2536 | } |
2537 | ||
197ac94e | 2538 | //======================================================================= |
2539 | //function : Zoom | |
2540 | //purpose : | |
2541 | //======================================================================= | |
2542 | void V3d_View::Zoom (const Standard_Integer theXp1, | |
2543 | const Standard_Integer theYp1, | |
2544 | const Standard_Integer theXp2, | |
2545 | const Standard_Integer theYp2) | |
2546 | { | |
2547 | Standard_Integer aDx = theXp2 - theXp1; | |
2548 | Standard_Integer aDy = theYp2 - theYp1; | |
2549 | if (aDx != 0 || aDy != 0) | |
2550 | { | |
2551 | Standard_Real aCoeff = Sqrt( (Standard_Real)(aDx * aDx + aDy * aDy) ) / 100.0 + 1.0; | |
2552 | aCoeff = (aDx > 0) ? aCoeff : 1.0 / aCoeff; | |
2553 | SetZoom (aCoeff, Standard_True); | |
2554 | } | |
7fd59977 | 2555 | } |
2556 | ||
197ac94e | 2557 | //======================================================================= |
2558 | //function : StartZoomAtPoint | |
2559 | //purpose : | |
2560 | //======================================================================= | |
2561 | void V3d_View::StartZoomAtPoint (const Standard_Integer theXp, | |
2562 | const Standard_Integer theYp) | |
7fd59977 | 2563 | { |
197ac94e | 2564 | MyZoomAtPointX = theXp; |
2565 | MyZoomAtPointY = theYp; | |
7fd59977 | 2566 | } |
2567 | ||
197ac94e | 2568 | //======================================================================= |
2569 | //function : ZoomAtPoint | |
2570 | //purpose : | |
2571 | //======================================================================= | |
2572 | void V3d_View::ZoomAtPoint (const Standard_Integer theMouseStartX, | |
2573 | const Standard_Integer theMouseStartY, | |
2574 | const Standard_Integer theMouseEndX, | |
2575 | const Standard_Integer theMouseEndY) | |
7fd59977 | 2576 | { |
197ac94e | 2577 | Standard_Boolean wasUpdateEnabled = SetImmediateUpdate (Standard_False); |
7fd59977 | 2578 | |
197ac94e | 2579 | // zoom |
2580 | Standard_Real aDxy = Standard_Real ((theMouseEndX + theMouseEndY) - (theMouseStartX + theMouseStartY)); | |
2581 | Standard_Real aDZoom = Abs (aDxy) / 100.0 + 1.0; | |
2582 | aDZoom = (aDxy > 0.0) ? aDZoom : 1.0 / aDZoom; | |
7fd59977 | 2583 | |
197ac94e | 2584 | V3d_BadValue_Raise_if (aDZoom <= 0.0, "V3d_View::ZoomAtPoint, bad coefficient"); |
7fd59977 | 2585 | |
c357e426 | 2586 | Handle(Graphic3d_Camera) aCamera = Camera(); |
2587 | ||
2588 | Standard_Real aViewWidth = aCamera->ViewDimensions().X(); | |
2589 | Standard_Real aViewHeight = aCamera->ViewDimensions().Y(); | |
7fd59977 | 2590 | |
197ac94e | 2591 | // ensure that zoom will not be too small or too big. |
2592 | Standard_Real aCoef = aDZoom; | |
2593 | if (aViewWidth < aCoef * Precision::Confusion()) | |
2594 | { | |
2595 | aCoef = aViewWidth / Precision::Confusion(); | |
2596 | } | |
2597 | else if (aViewWidth > aCoef * 1e12) | |
2598 | { | |
2599 | aCoef = aViewWidth / 1e12; | |
2600 | } | |
2601 | if (aViewHeight < aCoef * Precision::Confusion()) | |
2602 | { | |
2603 | aCoef = aViewHeight / Precision::Confusion(); | |
2604 | } | |
2605 | else if (aViewHeight > aCoef * 1e12) | |
2606 | { | |
2607 | aCoef = aViewHeight / 1e12; | |
2608 | } | |
7fd59977 | 2609 | |
197ac94e | 2610 | Standard_Real aZoomAtPointXv = 0.0; |
2611 | Standard_Real aZoomAtPointYv = 0.0; | |
2612 | Convert (MyZoomAtPointX, MyZoomAtPointY, aZoomAtPointXv, aZoomAtPointYv); | |
7fd59977 | 2613 | |
197ac94e | 2614 | V3d_Coordinate aDxv = aZoomAtPointXv / aCoef; |
2615 | V3d_Coordinate aDyv = aZoomAtPointYv / aCoef; | |
7fd59977 | 2616 | |
c357e426 | 2617 | aCamera->SetScale (aCamera->Scale() / aCoef); |
2618 | Translate (aCamera, aZoomAtPointXv - aDxv, aZoomAtPointYv - aDyv); | |
b5ac8292 | 2619 | |
c357e426 | 2620 | AutoZFit(); |
b5ac8292 | 2621 | |
197ac94e | 2622 | SetImmediateUpdate (wasUpdateEnabled); |
7fd59977 | 2623 | |
197ac94e | 2624 | ImmediateUpdate(); |
7fd59977 | 2625 | } |
2626 | ||
197ac94e | 2627 | //============================================================================= |
2628 | //function : AxialScale | |
2629 | //purpose : | |
2630 | //============================================================================= | |
7fd59977 | 2631 | void V3d_View::AxialScale (const Standard_Integer Dx, |
2632 | const Standard_Integer Dy, | |
2633 | const V3d_TypeOfAxe Axis) | |
2634 | { | |
2635 | if( Dx != 0. || Dy != 0. ) { | |
2636 | Standard_Real Sx, Sy, Sz; | |
2637 | AxialScale( Sx, Sy, Sz ); | |
2638 | Standard_Real dscale = Sqrt(Dx*Dx + Dy*Dy) / 100. + 1; | |
2639 | dscale = (Dx > 0) ? dscale : 1./dscale; | |
2640 | if( Axis == V3d_X ) Sx = dscale; | |
2641 | if( Axis == V3d_Y ) Sy = dscale; | |
2642 | if( Axis == V3d_Z ) Sz = dscale; | |
2643 | SetAxialScale( Sx, Sy, Sz ); | |
2644 | } | |
2645 | } | |
2646 | ||
197ac94e | 2647 | //============================================================================= |
2648 | //function : FitAll | |
2649 | //purpose : | |
2650 | //============================================================================= | |
434ffc09 | 2651 | void V3d_View::FitAll(const Standard_Real theXmin, |
2652 | const Standard_Real theYmin, | |
2653 | const Standard_Real theXmax, | |
2654 | const Standard_Real theYmax) | |
7fd59977 | 2655 | { |
434ffc09 | 2656 | Handle(Graphic3d_Camera) aCamera = Camera(); |
2657 | Standard_Real anAspect = aCamera->Aspect(); | |
7fd59977 | 2658 | |
434ffc09 | 2659 | Standard_Real aFitSizeU = Abs (theXmax - theXmin); |
2660 | Standard_Real aFitSizeV = Abs (theYmax - theYmin); | |
197ac94e | 2661 | Standard_Real aFitAspect = aFitSizeU / aFitSizeV; |
434ffc09 | 2662 | if (aFitAspect >= anAspect) |
197ac94e | 2663 | { |
434ffc09 | 2664 | aFitSizeV = aFitSizeU / anAspect; |
197ac94e | 2665 | } |
2666 | else | |
2667 | { | |
434ffc09 | 2668 | aFitSizeU = aFitSizeV * anAspect; |
197ac94e | 2669 | } |
b5ac8292 | 2670 | |
434ffc09 | 2671 | Translate (aCamera, (theXmin + theXmax) * 0.5, (theYmin + theYmax) * 0.5); |
c357e426 | 2672 | Scale (aCamera, aFitSizeU, aFitSizeV); |
2673 | ||
2674 | AutoZFit(); | |
7fd59977 | 2675 | |
197ac94e | 2676 | ImmediateUpdate(); |
7fd59977 | 2677 | } |
2678 | ||
197ac94e | 2679 | //============================================================================= |
2680 | //function : StartRotation | |
2681 | //purpose : | |
2682 | //============================================================================= | |
7fd59977 | 2683 | void V3d_View::StartRotation(const Standard_Integer X, |
2684 | const Standard_Integer Y, | |
2685 | const Quantity_Ratio zRotationThreshold) | |
2686 | { | |
7fd59977 | 2687 | sx = X; sy = Y; |
2688 | Standard_Real x,y; | |
2689 | Size(x,y); | |
2690 | rx = Standard_Real(Convert(x)); | |
2691 | ry = Standard_Real(Convert(y)); | |
2692 | Gravity(gx,gy,gz); | |
2693 | Rotate(0.,0.,0.,gx,gy,gz,Standard_True); | |
016e5959 | 2694 | myZRotation = Standard_False; |
7fd59977 | 2695 | if( zRotationThreshold > 0. ) { |
2696 | Standard_Real dx = Abs(sx - rx/2.); | |
2697 | Standard_Real dy = Abs(sy - ry/2.); | |
016e5959 | 2698 | // if( dx > rx/3. || dy > ry/3. ) myZRotation = Standard_True; |
7fd59977 | 2699 | Standard_Real dd = zRotationThreshold * (rx + ry)/2.; |
016e5959 | 2700 | if( dx > dd || dy > dd ) myZRotation = Standard_True; |
7fd59977 | 2701 | } |
7fd59977 | 2702 | |
2703 | } | |
2704 | ||
197ac94e | 2705 | //============================================================================= |
2706 | //function : Rotation | |
2707 | //purpose : | |
2708 | //============================================================================= | |
7fd59977 | 2709 | void V3d_View::Rotation(const Standard_Integer X, |
2710 | const Standard_Integer Y) | |
2711 | { | |
7fd59977 | 2712 | if( rx == 0. || ry == 0. ) { |
2713 | StartRotation(X,Y); | |
2714 | return; | |
2715 | } | |
7fd59977 | 2716 | Standard_Real dx=0.,dy=0.,dz=0.; |
016e5959 | 2717 | if( myZRotation ) { |
7fd59977 | 2718 | dz = atan2(Standard_Real(X)-rx/2., ry/2.-Standard_Real(Y)) - |
2719 | atan2(sx-rx/2.,ry/2.-sy); | |
2720 | } else { | |
c6541a0c D |
2721 | dx = (Standard_Real(X) - sx) * M_PI / rx; |
2722 | dy = (sy - Standard_Real(Y)) * M_PI / ry; | |
7fd59977 | 2723 | } |
b12a3e54 | 2724 | |
7fd59977 | 2725 | Rotate(dx, dy, dz, gx, gy, gz, Standard_False); |
7fd59977 | 2726 | } |
2727 | ||
197ac94e | 2728 | //============================================================================= |
2729 | //function : SetComputedMode | |
2730 | //purpose : | |
2731 | //============================================================================= | |
c357e426 | 2732 | void V3d_View::SetComputedMode (const Standard_Boolean theMode) |
7fd59977 | 2733 | { |
c357e426 | 2734 | if (theMode) |
197ac94e | 2735 | { |
2736 | if (myComputedMode) | |
2737 | { | |
c357e426 | 2738 | myView->SetComputedMode (Standard_True); |
197ac94e | 2739 | Update(); |
7fd59977 | 2740 | } |
c357e426 | 2741 | } |
2742 | else | |
197ac94e | 2743 | { |
c357e426 | 2744 | myView->SetComputedMode (Standard_False); |
197ac94e | 2745 | Update(); |
7fd59977 | 2746 | } |
b8ddfc2f | 2747 | } |
7fd59977 | 2748 | |
197ac94e | 2749 | //============================================================================= |
2750 | //function : ComputedMode | |
2751 | //purpose : | |
2752 | //============================================================================= | |
2753 | Standard_Boolean V3d_View::ComputedMode() const | |
7fd59977 | 2754 | { |
c357e426 | 2755 | return myView->ComputedMode(); |
b8ddfc2f | 2756 | } |
7fd59977 | 2757 | |
197ac94e | 2758 | //============================================================================= |
2759 | //function : SetBackFacingModel | |
2760 | //purpose : | |
2761 | //============================================================================= | |
c357e426 | 2762 | void V3d_View::SetBackFacingModel (const V3d_TypeOfBackfacingModel theModel) |
7fd59977 | 2763 | { |
c357e426 | 2764 | myView->SetBackfacingModel (static_cast<Graphic3d_TypeOfBackfacingModel> (theModel)); |
7fd59977 | 2765 | Redraw(); |
b8ddfc2f | 2766 | } |
7fd59977 | 2767 | |
197ac94e | 2768 | //============================================================================= |
2769 | //function : BackFacingModel | |
2770 | //purpose : | |
2771 | //============================================================================= | |
2772 | V3d_TypeOfBackfacingModel V3d_View::BackFacingModel() const | |
b8ddfc2f | 2773 | { |
c357e426 | 2774 | return static_cast<V3d_TypeOfBackfacingModel> (myView->BackfacingModel()); |
b8ddfc2f | 2775 | } |
7fd59977 | 2776 | |
c357e426 | 2777 | //============================================================================= |
2778 | //function : Init | |
2779 | //purpose : | |
2780 | //============================================================================= | |
b8ddfc2f | 2781 | void V3d_View::Init() |
2782 | { | |
7fd59977 | 2783 | myComputedMode = MyViewer->ComputedMode(); |
c357e426 | 2784 | if (!myComputedMode || !MyViewer->DefaultComputedMode()) |
2785 | { | |
2786 | SetComputedMode (Standard_False); | |
7fd59977 | 2787 | } |
7fd59977 | 2788 | } |
2789 | ||
c357e426 | 2790 | //============================================================================= |
2791 | //function : Export | |
2792 | //purpose : | |
2793 | //============================================================================= | |
2794 | Standard_Boolean V3d_View::Export (const Standard_CString theFileName, | |
2795 | const Graphic3d_ExportFormat theFormat, | |
2796 | const Graphic3d_SortType theSortType) | |
2797 | { | |
2798 | return myView->Export (theFileName, theFormat, theSortType); | |
2799 | } | |
2800 | ||
197ac94e | 2801 | //============================================================================= |
2802 | //function : Dump | |
2803 | //purpose : | |
2804 | //============================================================================= | |
692613e5 | 2805 | Standard_Boolean V3d_View::Dump (const Standard_CString theFile, |
2806 | const Graphic3d_BufferType& theBufferType) | |
7fd59977 | 2807 | { |
2808 | Standard_Integer aWinWidth, aWinHeight; | |
2809 | MyWindow->Size (aWinWidth, aWinHeight); | |
692613e5 | 2810 | Image_AlienPixMap anImage; |
b5ac8292 | 2811 | |
692613e5 | 2812 | return ToPixMap (anImage, aWinWidth, aWinHeight, theBufferType) && anImage.Save (theFile); |
7fd59977 | 2813 | } |
2814 | ||
197ac94e | 2815 | //============================================================================= |
2816 | //function : ToPixMap | |
2817 | //purpose : | |
2818 | //============================================================================= | |
692613e5 | 2819 | Standard_Boolean V3d_View::ToPixMap (Image_PixMap& theImage, |
3bffef55 | 2820 | const V3d_ImageDumpOptions& theParams) |
7fd59977 | 2821 | { |
3bffef55 | 2822 | Graphic3d_Vec2i aTargetSize (theParams.Width, theParams.Height); |
2823 | if (aTargetSize.x() != 0 | |
2824 | && aTargetSize.y() != 0) | |
2825 | { | |
2826 | // allocate image buffer for dumping | |
2827 | if (theImage.IsEmpty() | |
2828 | || theImage.SizeX() != Standard_Size(aTargetSize.x()) | |
2829 | || theImage.SizeY() != Standard_Size(aTargetSize.y())) | |
2830 | { | |
dc858f4c | 2831 | Image_Format aFormat = Image_Format_UNKNOWN; |
3bffef55 | 2832 | switch (theParams.BufferType) |
2833 | { | |
dc858f4c | 2834 | case Graphic3d_BT_RGB: aFormat = Image_Format_RGB; break; |
2835 | case Graphic3d_BT_RGBA: aFormat = Image_Format_RGBA; break; | |
2836 | case Graphic3d_BT_Depth: aFormat = Image_Format_GrayF; break; | |
3bffef55 | 2837 | } |
2838 | ||
2839 | if (!theImage.InitZero (aFormat, Standard_Size(aTargetSize.x()), Standard_Size(aTargetSize.y()))) | |
2840 | { | |
2841 | Message::DefaultMessenger()->Send (TCollection_AsciiString ("Fail to allocate an image ") + aTargetSize.x() + "x" + aTargetSize.y() | |
2842 | + " for view dump", Message_Fail); | |
2843 | return Standard_False; | |
2844 | } | |
2845 | } | |
2846 | } | |
2847 | if (theImage.IsEmpty()) | |
2848 | { | |
2849 | Message::DefaultMessenger()->Send (TCollection_AsciiString ("V3d_View::ToPixMap() has been called without image dimensions"), Message_Fail); | |
2850 | return Standard_False; | |
2851 | } | |
2852 | aTargetSize.x() = (Standard_Integer )theImage.SizeX(); | |
2853 | aTargetSize.y() = (Standard_Integer )theImage.SizeY(); | |
2854 | ||
b128c892 | 2855 | Handle(Standard_Transient) aFBOPtr; |
2856 | Handle(Standard_Transient) aPrevFBOPtr = myView->FBO(); | |
3bffef55 | 2857 | Graphic3d_Vec2i aFBOVPSize = aTargetSize; |
2858 | ||
2859 | bool isTiling = false; | |
2860 | if (theParams.TileSize > 0) | |
2861 | { | |
2862 | if (aFBOVPSize.x() > theParams.TileSize | |
2863 | || aFBOVPSize.y() > theParams.TileSize) | |
2864 | { | |
2865 | aFBOVPSize.x() = Min (aFBOVPSize.x(), theParams.TileSize); | |
2866 | aFBOVPSize.y() = Min (aFBOVPSize.y(), theParams.TileSize); | |
2867 | isTiling = true; | |
2868 | } | |
2869 | } | |
2870 | ||
2871 | Graphic3d_Vec2i aPrevFBOVPSize; | |
b128c892 | 2872 | if (!aPrevFBOPtr.IsNull()) |
7fd59977 | 2873 | { |
3bffef55 | 2874 | Graphic3d_Vec2i aPrevFBOSizeMax; |
c357e426 | 2875 | myView->FBOGetDimensions (aPrevFBOPtr, |
3bffef55 | 2876 | aPrevFBOVPSize.x(), aPrevFBOVPSize.y(), |
2877 | aPrevFBOSizeMax.x(), aPrevFBOSizeMax.y()); | |
2878 | if (aFBOVPSize.x() <= aPrevFBOSizeMax.x() | |
2879 | && aFBOVPSize.y() <= aPrevFBOSizeMax.y()) | |
7fd59977 | 2880 | { |
7fd59977 | 2881 | aFBOPtr = aPrevFBOPtr; |
2882 | } | |
2883 | } | |
2884 | ||
b128c892 | 2885 | if (aFBOPtr.IsNull()) |
7fd59977 | 2886 | { |
3bffef55 | 2887 | Standard_Integer aMaxTexSize = MyViewer->Driver()->InquireLimit (Graphic3d_TypeOfLimit_MaxTextureSize); |
2888 | if (theParams.TileSize > aMaxTexSize) | |
85e096c3 | 2889 | { |
3bffef55 | 2890 | Message::DefaultMessenger()->Send (TCollection_AsciiString ("Image dump can not be performed - specified tile size (") |
2891 | + theParams.TileSize + ") exceeds hardware limits (" + aMaxTexSize + ")", Message_Fail); | |
2892 | return Standard_False; | |
85e096c3 | 2893 | } |
3bffef55 | 2894 | |
2895 | if (aFBOVPSize.x() > aMaxTexSize | |
2896 | || aFBOVPSize.y() > aMaxTexSize) | |
2897 | { | |
2898 | aFBOVPSize.x() = Min (aFBOVPSize.x(), aMaxTexSize); | |
2899 | aFBOVPSize.y() = Min (aFBOVPSize.y(), aMaxTexSize); | |
2900 | isTiling = true; | |
2901 | } | |
2902 | ||
2903 | // Try to create hardware accelerated buffer | |
2904 | aFBOPtr = myView->FBOCreate (aFBOVPSize.x(), aFBOVPSize.y()); | |
7fd59977 | 2905 | } |
c357e426 | 2906 | myView->SetFBO (aFBOPtr); |
7fd59977 | 2907 | |
b128c892 | 2908 | if (aFBOPtr.IsNull()) |
7fd59977 | 2909 | { |
3bffef55 | 2910 | // try to use on-screen buffer |
2911 | Graphic3d_Vec2i aWinSize; | |
2912 | MyWindow->Size (aWinSize.x(), aWinSize.y()); | |
2913 | if (aFBOVPSize.x() != aWinSize.x() | |
2914 | || aFBOVPSize.y() != aWinSize.y()) | |
7fd59977 | 2915 | { |
3bffef55 | 2916 | isTiling = true; |
7fd59977 | 2917 | } |
3bffef55 | 2918 | aFBOVPSize = aWinSize; |
2919 | ||
2920 | Message::DefaultMessenger()->Send (TCollection_AsciiString ("Warning, on screen buffer is used for image dump - content might be invalid"), Message_Warning); | |
7fd59977 | 2921 | } |
2922 | ||
3bffef55 | 2923 | // backup camera parameters |
b5ac8292 | 2924 | Handle(Graphic3d_Camera) aStoreMapping = new Graphic3d_Camera(); |
c357e426 | 2925 | Handle(Graphic3d_Camera) aCamera = Camera(); |
c357e426 | 2926 | aStoreMapping->Copy (aCamera); |
c357e426 | 2927 | if (aCamera->IsStereo()) |
b5ac8292 | 2928 | { |
3bffef55 | 2929 | switch (theParams.StereoOptions) |
b5ac8292 | 2930 | { |
f978241f | 2931 | case V3d_SDO_MONO: |
2932 | { | |
c357e426 | 2933 | aCamera->SetProjectionType (Graphic3d_Camera::Projection_Perspective); |
b5ac8292 | 2934 | break; |
f978241f | 2935 | } |
2936 | case V3d_SDO_LEFT_EYE: | |
2937 | { | |
c357e426 | 2938 | aCamera->SetProjectionType (Graphic3d_Camera::Projection_MonoLeftEye); |
b5ac8292 | 2939 | break; |
f978241f | 2940 | } |
2941 | case V3d_SDO_RIGHT_EYE: | |
2942 | { | |
c357e426 | 2943 | aCamera->SetProjectionType (Graphic3d_Camera::Projection_MonoRightEye); |
b5ac8292 | 2944 | break; |
f978241f | 2945 | } |
2946 | case V3d_SDO_BLENDED: | |
2947 | { | |
2948 | break; // dump as is | |
2949 | } | |
b5ac8292 | 2950 | } |
2951 | } | |
3bffef55 | 2952 | if (theParams.ToAdjustAspect) |
197ac94e | 2953 | { |
3bffef55 | 2954 | aCamera->SetAspect (Standard_Real(aTargetSize.x()) / Standard_Real(aTargetSize.y())); |
7fd59977 | 2955 | } |
3bffef55 | 2956 | AutoZFit(); |
7fd59977 | 2957 | |
3bffef55 | 2958 | // render immediate structures into back buffer rather than front |
2959 | const Standard_Boolean aPrevImmediateMode = myView->SetImmediateModeDrawToFront (Standard_False); | |
7fd59977 | 2960 | |
692613e5 | 2961 | Standard_Boolean isSuccess = Standard_True; |
3bffef55 | 2962 | if (!isTiling) |
7fd59977 | 2963 | { |
3bffef55 | 2964 | if (!aFBOPtr.IsNull()) |
692613e5 | 2965 | { |
3bffef55 | 2966 | myView->FBOChangeViewport (aFBOPtr, aTargetSize.x(), aTargetSize.y()); |
692613e5 | 2967 | } |
3bffef55 | 2968 | Redraw(); |
2969 | isSuccess = isSuccess && myView->BufferDump (theImage, theParams.BufferType); | |
2970 | } | |
2971 | else | |
2972 | { | |
2973 | Image_PixMap aTilePixMap; | |
2974 | aTilePixMap.SetTopDown (theImage.IsTopDown()); | |
692613e5 | 2975 | |
3bffef55 | 2976 | Graphic3d_Vec2i anOffset (0, 0); |
2977 | for (; anOffset.y() < aTargetSize.y(); anOffset.y() += aFBOVPSize.y()) | |
2978 | { | |
2979 | anOffset.x() = 0; | |
2980 | for (; anOffset.x() < aTargetSize.x(); anOffset.x() += aFBOVPSize.x()) | |
2981 | { | |
2982 | Graphic3d_CameraTile aTile; | |
2983 | aTile.Offset = anOffset; | |
2984 | aTile.TotalSize = aTargetSize; | |
2985 | aTile.TileSize = aFBOVPSize; | |
2986 | if (!aFBOPtr.IsNull()) | |
2987 | { | |
2988 | // crop corners in case of FBO | |
2989 | // (no API to resize viewport of on-screen buffer - keep uncropped in this case) | |
2990 | aTile = aTile.Cropped(); | |
2991 | } | |
2992 | if (aTile.TileSize.x() < 1 | |
2993 | || aTile.TileSize.y() < 1) | |
2994 | { | |
2995 | continue; | |
2996 | } | |
2997 | ||
2998 | const Standard_Integer aLeft = aTile.Offset.x(); | |
2999 | Standard_Integer aBottom = aTile.Offset.y(); | |
3000 | if (theImage.IsTopDown()) | |
3001 | { | |
3002 | const Standard_Integer aTop = aTile.Offset.y() + aTile.TileSize.y(); | |
3003 | aBottom = aTargetSize.y() - aTop; | |
3004 | } | |
3005 | aTilePixMap.InitWrapper (theImage.Format(), theImage.ChangeData() | |
3006 | + theImage.SizeRowBytes() * aBottom + theImage.SizePixelBytes() * aLeft, | |
3007 | aTile.TileSize.x(), aTile.TileSize.y(), | |
3008 | theImage.SizeRowBytes()); | |
3009 | ||
3010 | aCamera->SetTile (aTile); | |
3011 | if (!aFBOPtr.IsNull()) | |
3012 | { | |
3013 | myView->FBOChangeViewport (aFBOPtr, aTile.TileSize.x(), aTile.TileSize.y()); | |
3014 | } | |
3015 | Redraw(); | |
3016 | isSuccess = isSuccess && myView->BufferDump (aTilePixMap, theParams.BufferType); | |
3017 | if (!isSuccess) | |
3018 | { | |
3019 | break; | |
3020 | } | |
3021 | } | |
3022 | if (!isSuccess) | |
3023 | { | |
3024 | break; | |
3025 | } | |
3026 | } | |
7fd59977 | 3027 | } |
3028 | ||
3bffef55 | 3029 | // restore state |
3030 | myView->SetImmediateModeDrawToFront (aPrevImmediateMode); | |
3031 | aCamera->Copy (aStoreMapping); | |
7fd59977 | 3032 | if (aFBOPtr != aPrevFBOPtr) |
3033 | { | |
c357e426 | 3034 | myView->FBORelease (aFBOPtr); |
7fd59977 | 3035 | } |
b128c892 | 3036 | else if (!aPrevFBOPtr.IsNull()) |
7fd59977 | 3037 | { |
3bffef55 | 3038 | myView->FBOChangeViewport (aPrevFBOPtr, aPrevFBOVPSize.x(), aPrevFBOVPSize.y()); |
7fd59977 | 3039 | } |
c357e426 | 3040 | myView->SetFBO (aPrevFBOPtr); |
692613e5 | 3041 | return isSuccess; |
7fd59977 | 3042 | } |
6942f04a | 3043 | |
c357e426 | 3044 | //============================================================================= |
3045 | //function : ImmediateUpdate | |
3046 | //purpose : | |
3047 | //============================================================================= | |
6942f04a | 3048 | void V3d_View::ImmediateUpdate() const |
3049 | { | |
c357e426 | 3050 | if (myImmediateUpdate) |
3051 | { | |
3052 | Update(); | |
3053 | } | |
6942f04a | 3054 | } |
3055 | ||
c357e426 | 3056 | //============================================================================= |
3057 | //function : SetImmediateUpdate | |
3058 | //purpose : | |
3059 | //============================================================================= | |
6942f04a | 3060 | Standard_Boolean V3d_View::SetImmediateUpdate (const Standard_Boolean theImmediateUpdate) |
3061 | { | |
3062 | Standard_Boolean aPreviousMode = myImmediateUpdate; | |
3063 | myImmediateUpdate = theImmediateUpdate; | |
3064 | return aPreviousMode; | |
3065 | } | |
b5ac8292 | 3066 | |
3067 | // ======================================================================= | |
3068 | // function : SetCamera | |
3069 | // purpose : | |
3070 | // ======================================================================= | |
3071 | void V3d_View::SetCamera (const Handle(Graphic3d_Camera)& theCamera) | |
3072 | { | |
c357e426 | 3073 | myView->SetCamera (theCamera); |
197ac94e | 3074 | |
c357e426 | 3075 | ImmediateUpdate(); |
b5ac8292 | 3076 | } |
3077 | ||
3078 | // ======================================================================= | |
3079 | // function : GetCamera | |
3080 | // purpose : | |
3081 | // ======================================================================= | |
197ac94e | 3082 | const Handle(Graphic3d_Camera)& V3d_View::Camera() const |
b5ac8292 | 3083 | { |
c357e426 | 3084 | return myView->Camera(); |
b5ac8292 | 3085 | } |
3086 | ||
3087 | // ======================================================================= | |
197ac94e | 3088 | // function : FitMinMax |
3089 | // purpose : Internal | |
b5ac8292 | 3090 | // ======================================================================= |
197ac94e | 3091 | Standard_Boolean V3d_View::FitMinMax (const Handle(Graphic3d_Camera)& theCamera, |
ed063270 | 3092 | const Bnd_Box& theBox, |
197ac94e | 3093 | const Standard_Real theMargin, |
3094 | const Standard_Real theResolution, | |
3095 | const Standard_Boolean theToEnlargeIfLine) const | |
3096 | { | |
3097 | // Check bounding box for validness | |
ed063270 | 3098 | if (theBox.IsVoid()) |
b5ac8292 | 3099 | { |
197ac94e | 3100 | return Standard_False; // bounding box is out of bounds... |
3101 | } | |
3102 | ||
3103 | // Apply "axial scaling" to the bounding points. | |
3104 | // It is not the best approach to make this scaling as a part of fit all operation, | |
3105 | // but the axial scale is integrated into camera orientation matrix and the other | |
3106 | // option is to perform frustum plane adjustment algorithm in view camera space, | |
3107 | // which will lead to a number of additional world-view space conversions and | |
3108 | // loosing precision as well. | |
ab1c121b | 3109 | gp_Pnt aBndMin = theBox.CornerMin().XYZ().Multiplied (theCamera->AxialScale()); |
3110 | gp_Pnt aBndMax = theBox.CornerMax().XYZ().Multiplied (theCamera->AxialScale()); | |
3111 | ||
3112 | if (aBndMax.IsEqual (aBndMin, RealEpsilon())) | |
b5ac8292 | 3113 | { |
197ac94e | 3114 | return Standard_False; // nothing to fit all |
3115 | } | |
3116 | ||
ab1c121b | 3117 | // Prepare camera frustum planes. |
3118 | NCollection_Array1<gp_Pln> aFrustumPlane (1, 6); | |
3119 | theCamera->Frustum (aFrustumPlane.ChangeValue (1), | |
3120 | aFrustumPlane.ChangeValue (2), | |
3121 | aFrustumPlane.ChangeValue (3), | |
3122 | aFrustumPlane.ChangeValue (4), | |
3123 | aFrustumPlane.ChangeValue (5), | |
3124 | aFrustumPlane.ChangeValue (6)); | |
197ac94e | 3125 | |
ab1c121b | 3126 | // Prepare camera up, side, direction vectors. |
197ac94e | 3127 | gp_Dir aCamUp = theCamera->OrthogonalizedUp(); |
3128 | gp_Dir aCamDir = theCamera->Direction(); | |
3129 | gp_Dir aCamSide = aCamDir ^ aCamUp; | |
3130 | ||
ab1c121b | 3131 | // Prepare scene bounding box parameters. |
3132 | gp_Pnt aBndCenter = (aBndMin.XYZ() + aBndMax.XYZ()) / 2.0; | |
3133 | ||
3134 | NCollection_Array1<gp_Pnt> aBndCorner (1, 8); | |
3135 | aBndCorner.ChangeValue (1) = gp_Pnt (aBndMin.X(), aBndMin.Y(), aBndMin.Z()); | |
3136 | aBndCorner.ChangeValue (2) = gp_Pnt (aBndMin.X(), aBndMin.Y(), aBndMax.Z()); | |
3137 | aBndCorner.ChangeValue (3) = gp_Pnt (aBndMin.X(), aBndMax.Y(), aBndMin.Z()); | |
3138 | aBndCorner.ChangeValue (4) = gp_Pnt (aBndMin.X(), aBndMax.Y(), aBndMax.Z()); | |
3139 | aBndCorner.ChangeValue (5) = gp_Pnt (aBndMax.X(), aBndMin.Y(), aBndMin.Z()); | |
3140 | aBndCorner.ChangeValue (6) = gp_Pnt (aBndMax.X(), aBndMin.Y(), aBndMax.Z()); | |
3141 | aBndCorner.ChangeValue (7) = gp_Pnt (aBndMax.X(), aBndMax.Y(), aBndMin.Z()); | |
3142 | aBndCorner.ChangeValue (8) = gp_Pnt (aBndMax.X(), aBndMax.Y(), aBndMax.Z()); | |
3143 | ||
197ac94e | 3144 | // Perspective-correct camera projection vector, matching the bounding box is determined geometrically. |
3145 | // Knowing the initial shape of a frustum it is possible to match it to a bounding box. | |
3146 | // Then, knowing the relation of camera projection vector to the frustum shape it is possible to | |
3147 | // set up perspective-correct camera projection matching the bounding box. | |
3148 | // These steps support non-asymmetric transformations of view-projection space provided by camera. | |
3149 | // The zooming can be done by calculating view plane size matching the bounding box at center of | |
3150 | // the bounding box. The only limitation here is that the scale of camera should define size of | |
3151 | // its view plane passing through the camera center, and the center of camera should be on the | |
3152 | // same line with the center of bounding box. | |
3153 | ||
3154 | // The following method is applied: | |
3155 | // 1) Determine normalized asymmetry of camera projection vector by frustum planes. | |
3156 | // 2) Determine new location of frustum planes, "matching" the bounding box. | |
3157 | // 3) Determine new camera projection vector using the normalized asymmetry. | |
3158 | // 4) Determine new zooming in view space. | |
3159 | ||
ab1c121b | 3160 | // 1. Determine normalized projection asymmetry (if any). |
bf02aa7d | 3161 | Standard_Real anAssymX = Tan (( aCamSide).Angle (aFrustumPlane (1).Axis().Direction())) |
3162 | - Tan ((-aCamSide).Angle (aFrustumPlane (2).Axis().Direction())); | |
3163 | Standard_Real anAssymY = Tan (( aCamUp) .Angle (aFrustumPlane (3).Axis().Direction())) | |
3164 | - Tan ((-aCamUp) .Angle (aFrustumPlane (4).Axis().Direction())); | |
ab1c121b | 3165 | |
3166 | // 2. Determine how far should be the frustum planes placed from center | |
3167 | // of bounding box, in order to match the bounding box closely. | |
3168 | NCollection_Array1<Standard_Real> aFitDistance (1, 6); | |
3169 | aFitDistance.ChangeValue (1) = 0.0; | |
3170 | aFitDistance.ChangeValue (2) = 0.0; | |
3171 | aFitDistance.ChangeValue (3) = 0.0; | |
3172 | aFitDistance.ChangeValue (4) = 0.0; | |
3173 | aFitDistance.ChangeValue (5) = 0.0; | |
3174 | aFitDistance.ChangeValue (6) = 0.0; | |
3175 | ||
3176 | for (Standard_Integer anI = aFrustumPlane.Lower(); anI <= aFrustumPlane.Upper(); ++anI) | |
197ac94e | 3177 | { |
ab1c121b | 3178 | // Measure distances from center of bounding box to its corners towards the frustum plane. |
3179 | const gp_Dir& aPlaneN = aFrustumPlane.ChangeValue (anI).Axis().Direction(); | |
197ac94e | 3180 | |
ab1c121b | 3181 | Standard_Real& aFitDist = aFitDistance.ChangeValue (anI); |
197ac94e | 3182 | |
ab1c121b | 3183 | for (Standard_Integer aJ = aBndCorner.Lower(); aJ <= aBndCorner.Upper(); ++aJ) |
3184 | { | |
3185 | aFitDist = Max (aFitDist, gp_Vec (aBndCenter, aBndCorner (aJ)).Dot (aPlaneN)); | |
3186 | } | |
197ac94e | 3187 | } |
3188 | // The center of camera is placed on the same line with center of bounding box. | |
3189 | // The view plane section crosses the bounding box at its center. | |
3190 | // To compute view plane size, evaluate coefficients converting "point -> plane distance" | |
3191 | // into view section size between the point and the frustum plane. | |
3192 | // proj | |
3193 | // /|\ right half of frame // | |
3194 | // | // | |
3195 | // point o<-- distance * coeff -->//---- (view plane section) | |
3196 | // \ // | |
3197 | // (distance) // | |
3198 | // ~ // | |
3199 | // (distance) // | |
3200 | // \/\// | |
3201 | // \// | |
3202 | // // | |
3203 | // (frustum plane) | |
bf02aa7d | 3204 | aFitDistance.ChangeValue (1) *= Sqrt(1 + Pow (Tan ( aCamSide .Angle (aFrustumPlane (1).Axis().Direction())), 2.0)); |
3205 | aFitDistance.ChangeValue (2) *= Sqrt(1 + Pow (Tan ((-aCamSide).Angle (aFrustumPlane (2).Axis().Direction())), 2.0)); | |
3206 | aFitDistance.ChangeValue (3) *= Sqrt(1 + Pow (Tan ( aCamUp .Angle (aFrustumPlane (3).Axis().Direction())), 2.0)); | |
3207 | aFitDistance.ChangeValue (4) *= Sqrt(1 + Pow (Tan ((-aCamUp) .Angle (aFrustumPlane (4).Axis().Direction())), 2.0)); | |
3208 | aFitDistance.ChangeValue (5) *= Sqrt(1 + Pow (Tan ( aCamDir .Angle (aFrustumPlane (5).Axis().Direction())), 2.0)); | |
3209 | aFitDistance.ChangeValue (6) *= Sqrt(1 + Pow (Tan ((-aCamDir) .Angle (aFrustumPlane (6).Axis().Direction())), 2.0)); | |
ab1c121b | 3210 | |
3211 | Standard_Real aViewSizeXv = aFitDistance (1) + aFitDistance (2); | |
3212 | Standard_Real aViewSizeYv = aFitDistance (3) + aFitDistance (4); | |
3213 | Standard_Real aViewSizeZv = aFitDistance (5) + aFitDistance (6); | |
3214 | ||
3215 | // 3. Place center of camera on the same line with center of bounding | |
3216 | // box applying corresponding projection asymmetry (if any). | |
197ac94e | 3217 | Standard_Real anAssymXv = anAssymX * aViewSizeXv * 0.5; |
3218 | Standard_Real anAssymYv = anAssymY * aViewSizeYv * 0.5; | |
ab1c121b | 3219 | Standard_Real anOffsetXv = (aFitDistance (2) - aFitDistance (1)) * 0.5 + anAssymXv; |
3220 | Standard_Real anOffsetYv = (aFitDistance (4) - aFitDistance (3)) * 0.5 + anAssymYv; | |
197ac94e | 3221 | gp_Vec aTranslateSide = gp_Vec (aCamSide) * anOffsetXv; |
3222 | gp_Vec aTranslateUp = gp_Vec (aCamUp) * anOffsetYv; | |
ab1c121b | 3223 | gp_Pnt aCamNewCenter = aBndCenter.Translated (aTranslateSide).Translated (aTranslateUp); |
197ac94e | 3224 | |
3225 | gp_Trsf aCenterTrsf; | |
ab1c121b | 3226 | aCenterTrsf.SetTranslation (theCamera->Center(), aCamNewCenter); |
197ac94e | 3227 | theCamera->Transform (aCenterTrsf); |
ab1c121b | 3228 | theCamera->SetDistance (aFitDistance (6) + aFitDistance (5)); |
197ac94e | 3229 | |
3230 | // Bounding box collapses to a point or thin line going in depth of the screen | |
3231 | if (aViewSizeXv < theResolution && aViewSizeYv < theResolution) | |
b5ac8292 | 3232 | { |
197ac94e | 3233 | if (aViewSizeXv < theResolution || !theToEnlargeIfLine) |
3234 | { | |
3235 | return Standard_True; // This is just one point or line and zooming has no effect. | |
3236 | } | |
3237 | ||
3238 | // Looking along line and "theToEnlargeIfLine" is requested. | |
3239 | // Fit view to see whole scene on rotation. | |
3240 | aViewSizeXv = aViewSizeZv; | |
3241 | aViewSizeYv = aViewSizeZv; | |
b5ac8292 | 3242 | } |
3243 | ||
50d06d8f | 3244 | Scale (theCamera, aViewSizeXv, aViewSizeYv); |
3245 | ||
3246 | const Standard_Real aZoomCoef = myView->ConsiderZoomPersistenceObjects(); | |
3247 | ||
3248 | Scale (theCamera, theCamera->ViewDimensions().X() * (aZoomCoef + theMargin), theCamera->ViewDimensions().Y() * (aZoomCoef + theMargin)); | |
b5ac8292 | 3249 | |
197ac94e | 3250 | return Standard_True; |
b5ac8292 | 3251 | } |
3252 | ||
3253 | // ======================================================================= | |
197ac94e | 3254 | // function : Scale |
3255 | // purpose : Internal | |
b5ac8292 | 3256 | // ======================================================================= |
197ac94e | 3257 | void V3d_View::Scale (const Handle(Graphic3d_Camera)& theCamera, |
3258 | const Standard_Real theSizeXv, | |
3259 | const Standard_Real theSizeYv) const | |
b5ac8292 | 3260 | { |
197ac94e | 3261 | Standard_Real anAspect = theCamera->Aspect(); |
ab1c121b | 3262 | if (anAspect > 1.0) |
3263 | { | |
3264 | theCamera->SetScale (Max (theSizeXv / anAspect, theSizeYv)); | |
3265 | } | |
3266 | else | |
3267 | { | |
3268 | theCamera->SetScale (Max (theSizeXv, theSizeYv * anAspect)); | |
3269 | } | |
b5ac8292 | 3270 | } |
3271 | ||
3272 | // ======================================================================= | |
197ac94e | 3273 | // function : Translate |
3274 | // purpose : Internal | |
b5ac8292 | 3275 | // ======================================================================= |
197ac94e | 3276 | void V3d_View::Translate (const Handle(Graphic3d_Camera)& theCamera, |
3277 | const Standard_Real theDXv, | |
3278 | const Standard_Real theDYv) const | |
3279 | { | |
3280 | const gp_Pnt& aCenter = theCamera->Center(); | |
3281 | const gp_Dir& aDir = theCamera->Direction(); | |
3282 | const gp_Dir& anUp = theCamera->Up(); | |
3283 | gp_Ax3 aCameraCS (aCenter, aDir.Reversed(), aDir ^ anUp); | |
3284 | ||
3285 | gp_Vec aCameraPanXv = gp_Vec (aCameraCS.XDirection()) * theDXv; | |
3286 | gp_Vec aCameraPanYv = gp_Vec (aCameraCS.YDirection()) * theDYv; | |
3287 | gp_Vec aCameraPan = aCameraPanXv + aCameraPanYv; | |
3288 | gp_Trsf aPanTrsf; | |
3289 | aPanTrsf.SetTranslation (aCameraPan); | |
3290 | ||
3291 | theCamera->Transform (aPanTrsf); | |
b5ac8292 | 3292 | } |
b7cd4ba7 | 3293 | |
3294 | // ======================================================================= | |
3295 | // function : IsCullingEnabled | |
3296 | // purpose : | |
3297 | // ======================================================================= | |
3298 | Standard_Boolean V3d_View::IsCullingEnabled() const | |
3299 | { | |
c357e426 | 3300 | return myView->IsCullingEnabled(); |
b7cd4ba7 | 3301 | } |
3302 | ||
3303 | // ======================================================================= | |
3304 | // function : SetFrustumCulling | |
3305 | // purpose : | |
3306 | // ======================================================================= | |
3307 | void V3d_View::SetFrustumCulling (const Standard_Boolean theToClip) | |
3308 | { | |
c357e426 | 3309 | myView->SetCullingEnabled (theToClip); |
b7cd4ba7 | 3310 | } |
26d9c835 | 3311 | |
3312 | // ======================================================================= | |
3313 | // function : DiagnosticInformation | |
3314 | // purpose : | |
3315 | // ======================================================================= | |
3316 | void V3d_View::DiagnosticInformation (TColStd_IndexedDataMapOfStringString& theDict, | |
3317 | Graphic3d_DiagnosticInfo theFlags) const | |
3318 | { | |
3319 | myView->DiagnosticInformation (theDict, theFlags); | |
3320 | } | |
ebc369da | 3321 | |
3322 | //============================================================================= | |
3323 | //function : RenderingParams | |
3324 | //purpose : | |
3325 | //============================================================================= | |
3326 | const Graphic3d_RenderingParams& V3d_View::RenderingParams() const | |
3327 | { | |
3328 | return myView->RenderingParams(); | |
3329 | } | |
3330 | ||
3331 | //============================================================================= | |
3332 | //function : ChangeRenderingParams | |
3333 | //purpose : | |
3334 | //============================================================================= | |
3335 | Graphic3d_RenderingParams& V3d_View::ChangeRenderingParams() | |
3336 | { | |
3337 | return myView->ChangeRenderingParams(); | |
3338 | } |